Favcars.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"The 1953 XP-21 Firebird 1 is remarkable and very easily differentiated from just about anything else designed for the road. Though it resembles a jet airplane, its styling was more a nod to inspiration rather than to practical engineering design principles. Its primary purpose was actually an exercise in determining whether a gas turbine engine could be used as a viable powerplant for production vehicles; the aptly named \u2018Whirlfire Turbo-Power\u2019 engine jet-propelled the Firebird 1 via its rear wheels and […]<\/p>\n","protected":false},"author":10,"featured_media":452067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9494],"tags":[9495,597,11100],"class_list":["post-452066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car-of-the-day","tag-car-of-the-day","tag-general-motors-gm","tag-weird-car"],"yoast_head":"\n
Car Of The Day: 1953 General Motors Firebird 1 XP-21<\/title>\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\/car-of-the-day-1953-general-motors-firebird-1-xp-21\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Car Of The Day: 1953 General Motors Firebird 1 XP-21\" \/>\n<meta property=\"og:description\" content=\"The 1953 XP-21 Firebird 1 is remarkable and very easily differentiated from just about anything else designed for the road. Though it resembles a jet airplane, its styling was more a nod to inspiration rather than to practical engineering design principles. Its primary purpose was actually an exercise in determining whether a gas turbine engine could be used as a viable powerplant for production vehicles; the aptly named \u2018Whirlfire Turbo-Power\u2019 engine jet-propelled the Firebird 1 via its rear wheels and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.supercars.net\/blog\/car-of-the-day-1953-general-motors-firebird-1-xp-21\/\" \/>\n<meta property=\"og:site_name\" content=\"Supercars.net\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Supercars.net\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-10T06:25:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-29T14:07:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2023\/05\/pictures_gm_firebird_1953_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1993\" \/>\n\t<meta property=\"og:image:height\" content=\"1067\" 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