Hi , I now have a new 2015 Chev. Silverado that is Ruby red. It is a double cab with a 6.5 ft. bed. It has the Ecotec3 5.3 V8 with a 6 speed auto. I found out the rear end is a 3.08. I have added nerf bars and a black diamond plate tool box. This replaced a 1999 silverado i had with a 4.3 V6.