2020 GMC Sierra 2500 HD MPG
Based on data from 48 vehicles, 3,263 fuel-ups and 1,203,333 miles of driving, the 2020 GMC Sierra 2500 HD gets a combined Avg MPG of 14.26 with a 0.12 MPG margin of error.
Below you can see a distribution of the fuel-ups with 29 outliers (0.88%) removed.
Following shows the average MPG of each of the 48 vehicles in the system.
2020 GMC Sierra 2500 HDs For Sale Nearby
-
No Greater Love
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Nov 2021 • 18 Fuel-upsProperty of mattjames11
-
12.3 Avg MPG
-
L5P
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Apr 2021 • 50 Fuel-upsProperty of jwmontoya
-
14.2 Avg MPG
-
‘Nali
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Jul 2023 • 40 Fuel-upsProperty of raulserrano
-
17.7 Avg MPG
-
My Sierra 2500 HD
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Sep 2020 • 151 Fuel-upsProperty of Xaositek
-
16.2 Avg MPG
-
Duramax
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added May 2021 • 97 Fuel-upsProperty of Silentfun65
-
14.5 Avg MPG
-
My Sierra 2500 HD
2020 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 6 Speed
Added May 2020 • 68 Fuel-upsProperty of uncledot
-
13.3 Avg MPG
-
My Sierra 2500 HD
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Jan 2021 • 117 Fuel-upsProperty of DMaxTRR
-
15.9 Avg MPG
-
My Sierra 2500 HD
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Jan 2022 • 146 Fuel-upsProperty of BPowAT4HD
-
16.5 Avg MPG
-
Sierra
2020 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Jan 2023 • 22 Fuel-upsProperty of bradford29
-
17.3 Avg MPG
-
FLWKS 2500HD AT4
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Jun 2020 • 104 Fuel-upsProperty of hockeyvillian
-
14.5 Avg MPG
-
BatMobile II
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2020 • 155 Fuel-upsProperty of Rocinante1
-
16.0 Avg MPG
-
Big Red II
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Aug 2020 • 150 Fuel-upsProperty of TackleBox
-
13.6 Avg MPG
-
My Sierra 2500 HD
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2023 • 24 Fuel-upsProperty of aricb23
-
10.9 Avg MPG
-
Red
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
Added Mar 2020 • 135 Fuel-upsProperty of llljrmd
-
16.5 Avg MPG
-
Blue Beast
2020 GMC Sierra 2500 HD SLT 6.6L V8 GAS Automatic 6 Speed Extended Cab Pickup
Added Sep 2020 • 46 Fuel-upsProperty of JustinID
-
13.5 Avg MPG
-
GMC AT4
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Nov 2021 • 38 Fuel-upsProperty of gil_bradshaw
-
15.6 Avg MPG
-
2020 AT4 2500HD
2020 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
Added Apr 2022 • 21 Fuel-upsProperty of rab986
-
16.8 Avg MPG
-
Sierra 2500HD Duramax
2020 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Aug 2020 • 61 Fuel-upsProperty of RamMan88
-
16.0 Avg MPG
-
Denali 2500HD
2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Nov 2020 • 29 Fuel-upsProperty of eastcoasthd
-
14.2 Avg MPG
-
FURY
2020 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
Added Sep 2020 • 28 Fuel-upsProperty of Thumpy
-
14.3 Avg MPG