mileage
I have a 2006 CC 4X4 with torqueshift, 3.73 gears. I am located in CT. I used to get about 15.5 all around. My mileage has dropped to around 14. I don't know why. I have almost 11k miles on now. I usually drive empty. Sometimes I carry heavy loads in the bed, even if I don't it doesn't...