2018 GMC Sierra 3500 HD MPG
Based on data from 27 vehicles, 2,095 fuel-ups and 678,778 miles of driving, the 2018 GMC Sierra 3500 HD gets a combined Avg MPG of 12.10 with a 0.17 MPG margin of error.
Below you can see a distribution of the fuel-ups with 9 outliers (0.43%) removed.
Following shows the average MPG of each of the 27 vehicles in the system.
2018 GMC Sierra 3500 HDs For Sale Nearby
-
GMC
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Aug 2023 • 46 Fuel-upsProperty of hikyuuri
-
14.3 Avg MPG
-
Big Elmo
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jan 2018 • 156 Fuel-upsProperty of Geodude
-
10.8 Avg MPG
-
My Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Feb 2021 • 178 Fuel-upsProperty of codycourtney2
-
13.6 Avg MPG
-
GMC 3500
2018 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
Added Dec 2017 • 69 Fuel-upsProperty of Peterbuilt75
-
10.9 Avg MPG
-
Tow Pig
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Aug 2018 • 294 Fuel-upsProperty of Robicus
-
13.2 Avg MPG
-
Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Nov 2017 • 178 Fuel-upsProperty of jamesnkerr
-
14.0 Avg MPG
-
Great White L5P
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Sep 2018 • 86 Fuel-upsProperty of 2manyliters
-
13.9 Avg MPG
-
My Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2024 • 3 Fuel-upsProperty of zachjohnson0726
-
15.5 Avg MPG
-
2018 GMC Sierra 3500HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Aug 2019 • 166 Fuel-upsProperty of pputney
-
11.8 Avg MPG
-
Denali
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jun 2018 • 125 Fuel-upsProperty of suasman
-
14.1 Avg MPG
-
Sierra
2018 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Nov 2021 • 323 Fuel-upsProperty of artman1913
-
11.5 Avg MPG
-
DEF
2018 GMC Sierra 3500 HD SLT Automatic 6 Speed
Added Nov 2021 • 31 Fuel-upsProperty of artman1913
-
525.2 Avg MPG
-
Pick Up
2018 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Nov 2022 • 4 Fuel-upsProperty of petestoy
-
14.2 Avg MPG
-
GMC Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2017 • 90 Fuel-upsProperty of amtrak8
-
13.1 Avg MPG
-
My Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2020 • 127 Fuel-upsProperty of tortuga99
-
10.9 Avg MPG
-
Sierra 3500 HD RV Hauler
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Mar 2020 • 109 Fuel-upsProperty of Derril
-
11.9 Avg MPG
-
My Sierra 3500 HD
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
Added Sep 2018 • 155 Fuel-upsProperty of brizgislawrencej
-
13.0 Avg MPG
-
CB Denali
2018 GMC Sierra 3500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
Added Jul 2019 • 11 Fuel-upsProperty of KTBHDH
-
9.2 Avg MPG
-
My Sierra 3500 HD
2018 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
Added Jul 2018 • 47 Fuel-upsProperty of skinnertonoutlaw
-
8.7 Avg MPG
-
Denali 3500 DWR
2018 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
Added Jul 2018 • 13 Fuel-upsProperty of Ncrzrbk
-
14.9 Avg MPG