{"id":889052,"date":"2025-07-11T10:41:41","date_gmt":"2025-07-11T10:41:41","guid":{"rendered":"https:\/\/www.supercars.net\/blog\/?p=889052"},"modified":"2025-07-11T10:41:41","modified_gmt":"2025-07-11T10:41:41","slug":"one-of-one-1989-ctr-lightweight-heads-to-auction","status":"publish","type":"post","link":"https:\/\/www.supercars.net\/blog\/one-of-one-1989-ctr-lightweight-heads-to-auction\/","title":{"rendered":"One-of-One 1989 CTR Lightweight Heads to Auction"},"content":{"rendered":"<p data-start=\"0\" data-end=\"608\">A one-of-a-kind 1989 RUF CTR \u201c<a href=\"https:\/\/www.supercars.net\/blog\/ruf-ctr\/\" target=\"_blank\" rel=\"noopener\">Yellowbird<\/a>\u201d Lightweight\u2014nicknamed <em data-start=\"64\" data-end=\"73\">Redbird<\/em>\u2014is set to be auctioned by RM Sotheby\u2019s at their <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/\" target=\"_blank\" rel=\"noopener\">Monterey<\/a> event next month with an estimated value between $4.5 and $5 million. One of only six Lightweight variants built, <em data-start=\"227\" data-end=\"236\">Redbird<\/em> stands alone as the only example finished in Bordeaux Red through RUF\u2019s paint-to-sample program.<\/p>\n<figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366268-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure>\n<p data-start=\"0\" data-end=\"608\">Originally commissioned in 1988 by a German client, Dr. Dietrich, in direct collaboration with Alois Ruf, it features unique trim-to-sample Nutria leather and a host of bespoke components including RUF suspension, a transaxle, lightweight body panels, and a telemetry gauge.<\/p>\n<figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1706\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-1024x682.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-2048x1365.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366266-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure>\n<p data-start=\"610\" data-end=\"959\">Completed in September 1989, the car was initially kept in storage at RUF\u2019s facility and reportedly used as Alois Ruf\u2019s personal car. It remained largely unused until 2005, having covered just over 3,500 km by that time. Subsequent owners in Germany, Austria, Belgium, and the U.S. added minimal mileage, bringing the total to under 18,900 km today.<\/p>\n<figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1382\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-300x162.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-1024x553.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-100x54.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-770x416.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-1536x829.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-2048x1106.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-500x270.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-293x158.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366264-1400x756.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure>\n<p data-start=\"961\" data-end=\"1404\" data-is-last-node=\"\" data-is-only-node=\"\">Redbird retains its numbers-matching 3.4L twin-turbo flat-six engine and includes a full suite of documentation\u2014build sheet, factory correspondence, registration papers, manuals, and invoices. With one-off aesthetic touches like a Pfaffenhausen crest and chrome trim, combined with its unique provenance and rare factory Lightweight spec, this CTR represents one of the most distinctive and collectible RUF models ever offered for public sale.<\/p>\n<figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1402\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-300x164.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-1024x561.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-100x55.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-770x422.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-1536x841.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-2048x1122.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-500x274.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-293x160.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366265-1400x767.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366267-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366262-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366270-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1706\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-1024x682.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-2048x1365.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366304-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366293-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-1024x683.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-1536x1024.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-2048x1366.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-500x333.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-1155x770.jpg 1155w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-293x195.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366269-1400x933.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-scaled.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1943\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-scaled.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-scaled.jpg 2560w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-300x228.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-1024x777.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-100x76.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-770x584.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-1536x1166.jpg 1536w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-2048x1554.jpg 2048w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-500x380.jpg 500w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-293x222.jpg 293w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2025\/07\/1989-RUF-CTR1-Yellowbird-Lightweight_1366261-1400x1063.jpg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div>\r\n                <div class='wp-caption-text gallery-caption'>\r\n                <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" rel=\"noopener noreferrer\" target=\"_blank\">\n1989 RUF CTR1 &#8216;Yellowbird&#8217; Lightweight @ RM Sotheby\u2019s\n<\/a>\n\r\n                <\/div><\/figure>\n<p data-start=\"961\" data-end=\"1404\" data-is-last-node=\"\" data-is-only-node=\"\">Source: <a href=\"https:\/\/rmsothebys.com\/auctions\/mo25\/lots\/r0114-1989-ruf-ctr1-yellowbird-lightweight\/\" target=\"_blank\" rel=\"noopener\">RM Sotheby&#8217;s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A one-of-a-kind 1989 RUF CTR \u201cYellowbird\u201d Lightweight\u2014nicknamed Redbird\u2014is set to be auctioned by RM Sotheby\u2019s at their Monterey event next month with an estimated value between $4.5 and $5 million. One of only six Lightweight variants built, Redbird stands alone as the only example finished in Bordeaux Red through RUF\u2019s paint-to-sample program. Originally commissioned in 1988 by a German client, Dr. Dietrich, in direct collaboration with Alois Ruf, it features unique trim-to-sample Nutria leather and a host of bespoke components [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":889063,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10112,13412,1816,22642,11577],"tags":[1831,2302],"class_list":["post-889052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auctions","category-cars-for-sale","category-ruf","category-sc","category-auction-action","tag-ruf","tag-rm-sothebys"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>One-of-One 1989 CTR Lightweight Heads to Auction<\/title>\n<meta name=\"description\" content=\"Offered from a respected U.S.-based RUF collector, this CTR Lightweight is among the rarest and most personalized of its kind.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.supercars.net\/blog\/one-of-one-1989-ctr-lightweight-heads-to-auction\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"One-of-One 1989 CTR Lightweight Heads to Auction\" \/>\n<meta property=\"og:description\" content=\"Offered from a respected U.S.-based RUF collector, this CTR Lightweight is among the rarest and most personalized of its kind.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.supercars.net\/blog\/one-of-one-1989-ctr-lightweight-heads-to-auction\/\" \/>\n<meta property=\"og:site_name\" content=\"Supercars.net\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Supercars.net\/\" \/>\n<meta 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