2015 Sierra 1500 options
I am thinking about upgrading my current tow vehicle, a 2010 Sierra, to a new 2015 Sierra. My current and new truck are 4X4 crew cabs. Current truck has the 5.3 with 3.08 gears, towing with this truck...
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Aren't they all running a 6 speed transmission?
If mileage is a concern, you will notice very little (real life) difference between the different gear packages....some slight difference between the different motors.
If mileage is a concern, you will notice very little (real life) difference between the different gear packages....some slight difference between the different motors.
