The street legal 638-bhp 2012 Chevrolet Corvette ZR1 vs. the 500-bhp Corvette C6.R. Who will win?
(Source: Road & Track)

The street legal 638-bhp 2012 Chevrolet Corvette ZR1 vs. the 500-bhp Corvette C6.R. Who will win?

(Source: Road & Track)

Master and apprentice
The Audi R10 TDI with the R8 TDI Le Mans prototype it inspired…
Audi claims this twin-turbocharged, 6.0-liter  V-12 TDI (turbodiesel, direct-injected) machine produces a full 500 bhp  and over 737 lb.-ft. of torque — the latter figure accomplished at a  stunningly low 1750 rpm and maintained all the way up to 3000 rpm  (redline is 4500) — that allow the R8 to sprint from a standstill to 60  mph in just over 4 seconds and on to a top speed of more than 186 mph.
While the race car’s 12 cylinders are placed at a 90-degree V-angle, the  road car’s are situated at 60 degrees for less vibration. This  configuration allows for an extremely compact engine — at 29.6 in.  overall, it is only about 6.5 in. longer than the V-8 in the  gasoline-powered Audi R8.

Master and apprentice

The Audi R10 TDI with the R8 TDI Le Mans prototype it inspired…

Audi claims this twin-turbocharged, 6.0-liter V-12 TDI (turbodiesel, direct-injected) machine produces a full 500 bhp and over 737 lb.-ft. of torque — the latter figure accomplished at a stunningly low 1750 rpm and maintained all the way up to 3000 rpm (redline is 4500) — that allow the R8 to sprint from a standstill to 60 mph in just over 4 seconds and on to a top speed of more than 186 mph.

While the race car’s 12 cylinders are placed at a 90-degree V-angle, the road car’s are situated at 60 degrees for less vibration. This configuration allows for an extremely compact engine — at 29.6 in. overall, it is only about 6.5 in. longer than the V-8 in the gasoline-powered Audi R8.

Patrick Long of Flying Lizard Motorsports breaks down the difference between the 911 GT3 street car and the GT3 RSR race car.

Paul Gentilozzi of RSR Jaguar breaks down the difference between the XKR street car and the XKR GT race car.

Jaime Melo of Risi Competizione breaks down the difference between the F430 street car and the F430 GTC race car.

Jan Magnussen of Corvette Racing breaks down the difference between the ZR1 street car and the C6. R race car.

Tommy Milner of Rahal Letterman Racing breaks down the difference between the M3 street car and the M3 GT race car.

Production sportscars are paired against their ALMS racing counterparts.

(Source: roadandtrack.com)