2021 GMC Sierra MPG

Based on data from 1 vehicles, 22 fuel-ups and 7,651 miles of driving, the 2021 GMC Sierra gets a combined Avg MPG of 18.41 with a 0.78 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (4.35%) removed.

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2021 GMC Sierra AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
Added Jul 2024 • 41 Fuel-ups

Property of joedogg
18.5 Avg MPG

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from other GMC Sierra vehicles (View All)

lsumilk added 1 notes for their 2015 GMC Sierra. 4 hours ago
TDI13 fueled-up their 2022 GMC Sierra. Last Tank: 23.9 MPG 16 hours ago
swood2940 added 1 notes for their 2022 GMC Sierra. 17 hours ago
Jorica fueled-up their 2023 GMC Sierra. Last Tank: 23.7 MPG 17 hours ago
RobBryce fueled-up their 2022 GMC Sierra. Last Tank: 13.2 MPG 1 day ago
Lisa_Robert added 1 notes for their 2014 GMC Sierra. 2 days ago
cmwelu fueled-up their 2022 GMC Sierra. Last Tank: 17.7 MPG 2 days ago

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by rfh1987

2021 GMC Sierra MPG

2021 GMC Sierras For Sale Nearby

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