been through my second tank in my 2011 1500 4x4 5.3 3.08 ext.cab.
both times its only got 13.5!!!!
seriously?? the window sticker showed a low of 15,hiway 21. is there something i should check with my dealer with or is this normal.other people say they get about 18.id be good with that. cant believe i upgraded 21 years newer and only getting a mile or so better mpg.
im not going by the little computer thing either,this is............fill it up,drive,fill it up and calculate.if i went by the computer in the truck id only be getting 11mpg
