2020 GMC Sierra 3500 HD MPG
Based on data from 42 vehicles, 2,307 fuel-ups and 824,345 miles of driving, the 2020 GMC Sierra 3500 HD gets a combined Avg MPG of 13.25 with a 0.16 MPG margin of error.
Below you can see a distribution of the fuel-ups with 53 outliers (2.25%) removed.
Following shows the average MPG of each of the 42 vehicles in the system.
2020 GMC Sierra 3500 HDs For Sale Nearby
-
3500
2020 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Nov 2019 • 38 Fuel-upsProperty of rufus28
-
18.2 Avg MPG
-
The PEARL
2020 GMC Sierra 3500 HD Denali
Added Aug 2019 • 28 Fuel-upsProperty of bnoot
-
15.0 Avg MPG