GMC Sierra 1500 Towing Advice
Hello, First time poster long time reader. I have a 2012 GMC Sierra 5.3 6speed with 3.42 gears. I have the tow package with trans cooler. I read these forums for a long time and tried to bu...
Forum Discussion
Nvr2loud wrote:wmoses wrote:
...That is great mileage. What is the average speed that corresponds to that mileage?
55 mph
Thanks. Mileage now makes sense. ;)
