[mamelukesabre]

Pikes peak is not a typical road course.

[truth_seeker]

“Pikes peak is not a typical road course.”

The LeMans series has been dominated by Audi quattro turbodiesels for several years.

LeMans, Sebring, Laguna Seca, etc. Road courses.

Since 2000 Audi won all but two times.

http://en.wikipedia.org/wiki/List_of_24_Hours_of_Le_Mans_winners

and here

http://en.wikipedia.org/wiki/List_of_American_Le_Mans_Series_champions