I think that Challengers should have high impact colors so they stand out from the crowd. America's top three colors are white, gray and black. They account for 66% of all cars. Boring. Orange is only .6%. America’s Most Popular Car Colors Percentage Share 1 White 25% 2 Gray 21% 3 Black 20% 4 Silver 11% 5 Blue 10% 6 Red 8% 7 Green 1.8% 8 Brown 1.3% 9 Orange 0.6% 10 Yellow 0.2% 11 Gold 0.2% 12 Purple 0.1%