2020 GMC Sierra 1500 MPG
Based on data from 192 vehicles, 15,640 fuel-ups and 5,155,451 miles of driving, the 2020 GMC Sierra 1500 gets a combined Avg MPG of 18.22 with a 0.08 MPG margin of error.
Below you can see a distribution of the fuel-ups with 351 outliers (2.19%) removed.
Following shows the average MPG of each of the 192 vehicles in the system.
2020 GMC Sierra 1500s For Sale Nearby
-
AT4
2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
Added Jan 2020 • 199 Fuel-upsProperty of Greytauer
-
18.0 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
Added Feb 2022 • 7 Fuel-upsProperty of stab
-
23.4 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
Added Apr 2020 • 68 Fuel-upsProperty of 69Redbird
-
14.2 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
Added Jun 2021 • 23 Fuel-upsProperty of Hornstar
-
25.1 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
Added Jul 2020 • 68 Fuel-upsProperty of Wittfam4
-
21.3 Avg MPG
-
Ryan's Sierra 1500
2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
Added Oct 2020 • 39 Fuel-upsProperty of rademarco03
-
22.0 Avg MPG
-
2020 Sierra 1500 AT4
2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
Added Mar 2023 • 29 Fuel-upsProperty of htr4
-
22.1 Avg MPG
-
Storm Trooper
2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Feb 2020 • 53 Fuel-upsProperty of seans
-
23.5 Avg MPG
-
Denaliya
2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
Added Sep 2020 • 35 Fuel-upsProperty of gr8almty1
-
21.3 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
Added Feb 2020 • 46 Fuel-upsProperty of gswartz
-
25.4 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
Added Nov 2021 • 4 Fuel-upsProperty of AP33
-
21.4 Avg MPG
-
2020 Sierra 1500
2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
Added Sep 2020 • 81 Fuel-upsProperty of Tigeraaron
-
23.2 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
Added Nov 2020 • 37 Fuel-upsProperty of sickdiesel
-
16.1 Avg MPG
-
Duramax 3.0
2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
Added Jul 2020 • 45 Fuel-upsProperty of 2020DuramaxLM2
-
25.8 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 8 Speed
Added Sep 2020 • 40 Fuel-upsProperty of SilverStreakSR5
-
18.9 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
Added Aug 2020 • 83 Fuel-upsProperty of patt1silva
-
15.3 Avg MPG
-
Sully
2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
Added Sep 2020 • 34 Fuel-upsProperty of tahoejeeperz
-
19.7 Avg MPG
-
My Sierra 1500
2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
Added May 2020 • 41 Fuel-upsProperty of jdunbar21
-
14.9 Avg MPG
-
Sierra 1500
2020 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
Added Sep 2020 • 27 Fuel-upsProperty of 556boyer
-
18.4 Avg MPG
-
Sierra 4.3
2020 GMC Sierra 1500 4.3L V6 GAS
Added Nov 2020 • 38 Fuel-upsProperty of Sweasy
-
16.1 Avg MPG