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mabel's avatar
mabel
Explorer
Jul 17, 2013

2013 Silverado 250 hd, gas mileage with 3.73 & 4.10 gears

I am looking to buy a Silverado 250 hd and would like to get an idea of the gas mileage when towing, thinking 4.10 gears would allow me to tow in 5th gear where 3.73 would put me in 4th gear more ofte...
Tow Vehicles
Taco's avatar
Taco
Explorer
Jul 17, 2013
Mine with 3.73 runs 5th gear on a level road to a slight hill with 9 ft high 8.5 wide and 7k lbs. Downshifts to 4th for a 3% grade and 3rd for a 6% grade to run 60-65 mph.

8 mpg at 65

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