2018 GMC Sierra 2500 HD MPG
Based on data from 56 vehicles, 3,923 fuel-ups and 1,531,806 miles of driving, the 2018 GMC Sierra 2500 HD gets a combined Avg MPG of 14.80 with a 0.11 MPG margin of error.
Below you can see a distribution of the fuel-ups with 64 outliers (1.61%) removed.
Following shows the average MPG of each of the 56 vehicles in the system.
2018 GMC Sierra 2500 HDs For Sale Nearby
-
Sierra 2500 HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Oct 2020 • 19 Fuel-upsProperty of beamsf15e
-
15.0 Avg MPG
-
Denali 2500HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2018 • 102 Fuel-upsProperty of Mavis500
-
15.5 Avg MPG
-
Robin's Truck
2018 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Mar 2021 • 55 Fuel-upsProperty of Cruiser60
-
14.2 Avg MPG
-
GMC
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Feb 2021 • 101 Fuel-upsProperty of csundell
-
13.0 Avg MPG
-
2018 Sierra Denali HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2018 • 229 Fuel-upsProperty of xstaski
-
15.2 Avg MPG
-
My Sierra 2500 HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2017 • 182 Fuel-upsProperty of tstanley2128
-
16.0 Avg MPG
-
My Sierra 2500 HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2021 • 105 Fuel-upsProperty of long003
-
16.5 Avg MPG
-
18 Sierra
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jan 2022 • 225 Fuel-upsProperty of texags06
-
14.4 Avg MPG
-
Denali
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Dec 2017 • 236 Fuel-upsProperty of jlawles2
-
15.1 Avg MPG
-
GMC AT HD
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2023 • 3 Fuel-upsProperty of jheen
-
17.1 Avg MPG
-
Denali HD
2018 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Jun 2020 • 89 Fuel-upsProperty of Sullivan907
-
13.2 Avg MPG
-
Sierra 2500
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2018 • 256 Fuel-upsProperty of IPAGuy
-
12.2 Avg MPG
-
2018 Duramax
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
Added Nov 2017 • 97 Fuel-upsProperty of Rocketrollinsx
-
14.6 Avg MPG
-
My Sierra 2500 HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jan 2023 • 4 Fuel-upsProperty of pcurran63
-
14.9 Avg MPG
-
Denali
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2017 • 239 Fuel-upsProperty of superflymtber
-
17.3 Avg MPG
-
My Sierra 2500 HD
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2018 • 91 Fuel-upsProperty of Boerklong
-
16.2 Avg MPG
-
My Sierra 2500 HD
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2018 • 128 Fuel-upsProperty of cfort
-
14.4 Avg MPG
-
Sierra Denali 2500 HD
2018 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2019 • 113 Fuel-upsProperty of west27
-
13.7 Avg MPG
-
Sierra 2500 HD
2018 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
Added May 2019 • 113 Fuel-upsProperty of larboy
-
12.4 Avg MPG
-
Red Tank 15/40
2018 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2018 • 39 Fuel-upsProperty of jdelfin
-
15.0 Avg MPG