
Originally Posted by
feelay
All manufacturers run their mileage tests with the vehicle on a roller, basically a treadmill. No resistence, and smooth braking and acceleration. Real world driving conditions are another matter.
Minner, if you get 18 miles a gallon, I'm proud for ya. That is darn good for a big truck. I know those GM's ride smooth, something I'm sure you appreciate traveling like you do.
Congrats on the new ride and enjoy the new truck smell while it lasts.