The Global Rallycross championship finals at Las Vegas during SEMA at the LV Conv Ctr gold parking lot

 About 15 ft high at the top of the ramps, and about 35 feet wide is my guess.

The above right Subaru, has a clever toothy front... I like it.

They weren't shy about hitting each other and shoving to get better lane advantage

 the glowing red headlights were damn cool looking.  It doesn't look like any of the other racecars have any lights on