I know that an interior upgrade comes with a different knob. I like the feel of the stock knob better myself. My issue is starting to **** me off the...
I'm getting 21 or better on my 11GT with 3.55's and 1500 miles on the car with about 30% highway. My girl gets 19 at best with 11GT Vert 3.31 aslo...
I'm not sure but it feels like it is getting better at 1050 miles.
Same here with only 700 miles on my 11GT, I had a simalar issue with my 01.
I guess I'm heading to the dealer, do we have a TSB yet?