Jul 15, 2010 #1 A AdyCastat New member Joined Jul 10, 2010 Messages 3 Reaction score 0 Points 1 which one do you think is better? i know the GMC has duel gas tanks and has 16 mpg on streegs, and the silverado has 13. Can anyone tell me which one you think is better?
which one do you think is better? i know the GMC has duel gas tanks and has 16 mpg on streegs, and the silverado has 13. Can anyone tell me which one you think is better?