2015 Chevrolet Colorado 2WD LT Ext Cab. Summit White 2015 Chevrolet Colorado LT RWD 6-Speed Automatic 3.6L V6 DGI DOHC VVT Colorado LT, 3.6L V6 DGI DOHC VVT, 6-Speed Automatic, RWD, Summit White, Black Cloth. " MOTOR TREND CERTIFIED BOMMARITO ADVANTAGE " = 6 month 7,500... via AutoRevolution