A few nice Racing car images I found:
Aston Martin 24hr Le Mans Race Car
Audi S4 Avant Safety Car at Qualifying, 2011 24 Hours of Le Mans
Image by Audi USA
In 2011 rules call for much smaller engines than before. Audi decided upon a 3.7 liter V6 TDI engine to power the R18, continuing to place its faith in diesel power, with which it was successful for the first time back in 2006.
For more www.audiusanews.com/newsroom/101/141/2012-24-hours-le-mans