2020 Gmc Sierra Mpg. All other rivals offer almost similar mpg figures but the 2020 GMC Sierra 2500HD still goes down with its poorest mileage. Based on data from 4 vehicles 252 fuel-ups and 112092 miles of driving the 2020 GMC Sierra 2500 gets a combined Avg MPG of 1622 with a 032 MPG margin of error.
Used 2020 GMC Sierra 2500HD for Sale When it comes to the fuel economy the 2020 GMC Sierra 2500HD is the least efficient of the lot. 2020 RAM 2500---31 gal. The 2020 GMC Sierra 1500 provides the fuel efficiency figures of 17 mpg in the city 23 mpg on the highway and 19 mpg combined.
Any Engine Type Any Body Style Any Submodel Base 1 HD 3.
2020 GMC Sierra 3500HD MPG and Range When it comes to the fuel economy the 2020 GMC Sierra 3500HD is the least efficient of the lot. Used 2020 GMC Sierra 2500HD for Sale When it comes to the fuel economy the 2020 GMC Sierra 2500HD is the least efficient of the lot. Of course you can also get less expensive 2020 GMC Sierra 2500 models as GMC announced pricing for the entire lineup earlier this year. Holy bleep is right.
