2020 GMC Sierra 3500 HD MPG
Based on data from 41 vehicles, 2,116 fuel-ups and 756,731 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 47 outliers (2.17%) removed.
Following shows the average MPG of each of the 41 vehicles in the system.
2020 GMC Sierra 3500 HDs For Sale Nearby
-
2020 GMC 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2020 • 360 Fuel-upsProperty of Gassy1976
-
14.6 Avg MPG
-
Star Lord vol. 2
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jun 2021 • 37 Fuel-upsProperty of rpar86
-
11.0 Avg MPG
-
2020 Sierra
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Jan 2023 • 73 Fuel-upsProperty of brfs
-
16.5 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
Added Dec 2020 • 133 Fuel-upsProperty of ghurd
-
14.2 Avg MPG
-
GMC PlanetKiller
2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
Added Dec 2022 • 39 Fuel-upsProperty of KyleMac
-
14.7 Avg MPG
-
Denali 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2021 • 100 Fuel-upsProperty of 2010RWCM
-
13.5 Avg MPG
-
Denali HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added May 2024 • 11 Fuel-upsProperty of davijoh
-
7.9 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 GAS Automatic 6 Speed
Added Jul 2020 • 78 Fuel-upsProperty of jdmich
-
10.9 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
Added Apr 2024 • 3 Fuel-upsProperty of Ranger473
-
8.6 Avg MPG
-
Damon’s Sierra 3500 HD Denali
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Feb 2020 • 288 Fuel-upsProperty of Demon2JZ
-
11.1 Avg MPG
-
2020 3500 HD Denali
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added May 2024 • 4 Fuel-upsProperty of bobsearle
-
13.9 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
Added Jul 2020 • 173 Fuel-upsProperty of abartlett
-
15.3 Avg MPG
-
Dee 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2020 • 269 Fuel-upsProperty of deewhite
-
13.0 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jan 2020 • 7 Fuel-upsProperty of Alec55
-
14.0 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jul 2020 • 133 Fuel-upsProperty of hotsauce8815
-
12.1 Avg MPG
-
GMC
2020 GMC Sierra 3500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Nov 2022 • 66 Fuel-upsProperty of kitakidscomcastnet
-
15.3 Avg MPG
-
My Sierra 3500 HD Duramax
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Apr 2024 • 4 Fuel-upsProperty of Bscherr
-
10.0 Avg MPG
-
GMC Sierra 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Apr 2023 • 42 Fuel-upsProperty of audiododd
-
13.6 Avg MPG
-
2020 Def
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Apr 2023 • 10 Fuel-upsProperty of brfs
-
367.5 Avg MPG
-
My Sierra 3500 HD
2020 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2024 • 6 Fuel-upsProperty of mlgriffin
-
15.8 Avg MPG