At their 2009 Scottsdale, Arizona sale, Barrett-Jackson auctioned some GM Hertitage Collection cars, most under scrap titles. Among them was this Impala mule that was tested for possible production. It sold for $159,500.00.

The auction description was as follows:”Features a Donovan big block aluminum 572cid engine with Brodie heads that produces an estimated 673hp, a Tremec 5-speed transmission, Brembo front disc and production disc rear brakes, and Aluminum wheels with 11″ rims. Sold on a Scrap Title.

Features a Donovan big block aluminum 572cid engine with Brodie heads that produces an estimated 673hp with 710 ft/Lb of torque. Also has a Tremec 5-speed transmission, Brembo front disc and production disc rear brakes, Aluminum wheels with 11″ rims, Goodyear gsc 275 x 17 tires on 9.5″ rims (front) and Goodyear gsc 315 x 17 tires on 11″ rims (rear). Has a black exterior with silver striping, modified hood and ground effect package.”

In Detail

type	Concept / Prototype Car
production	1
engine	Donovan V8w/Brodie Cylinder Heads
displacement	9373 cc / 572.0 in³
bore	114.3 mm / 4.5 in
stroke	114.3 mm / 4.5 in
compression	13.8:1
power	574.2 kw / 770.0 bhp @ 6900 rpm
specific output	82.15 bhp per litre
bhp/weight	500.65 bhp per tonne
torque	926.0 nm / 683.0 ft lbs @ 5200 rpm
driven wheels	Front Engine / RWD
front tires	335/30ZR-18 Goodyear GSC
rear tires	365/40ZR-18 Goodyear GSC
front brakes	Brembro Discs
front wheels	F 45.7 x 25.4 cm / 18.0 x 10.0 in
rear wheels	R 45.7 x 31.8 cm / 18.0 x 12.5 in
curb weight	1538 kg / 3391 lbs
wheelbase	2568 mm / 101.1 in
front track	1605 mm / 63.2 in
rear track	1600 mm / 63.0 in
length	1582 mm / 62.3 in
width	1600 mm / 63.0 in
transmission	Tremec 5-Speed Manual
gear ratios	2.860:1, 1.936:1, 1.552:1, 1.295:1, 1.00:1
final drive	3.54:1
top speed	~370.1 kph / 230.0 mph
0 – 60 mph	~2.7 seconds
0 – 1/4 mile	~10.4 seconds