2021 GMC Sierra MPG

Based on data from 1 vehicles, 21 fuel-ups and 7,282 miles of driving, the 2021 GMC Sierra gets a combined Avg MPG of 18.47 with a 0.81 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (4.55%) removed.

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2021 GMC Sierra AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
Added Jul 2024 • 40 Fuel-ups

Property of joedogg
18.5 Avg MPG

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from other GMC Sierra vehicles (View All)

SpecMiata23 fueled-up their 2022 GMC Sierra. Last Tank: 13.4 MPG 2 days ago
cmwelu fueled-up their 2022 GMC Sierra. Last Tank: 12.3 MPG 3 days ago
jhruska fueled-up their 2022 GMC Sierra. Last Tank: 11.2 MPG 3 days ago
TDI13 fueled-up their 2022 GMC Sierra. Last Tank: 24.9 MPG 4 days ago
brucewaynehumphrey added 1 notes for their 2010 GMC Sierra. 5 days ago
jbarclay12 added 1 notes for their 2022 GMC Sierra. 5 days ago
SpecMiata23 fueled-up their 2022 GMC Sierra. Last Tank: 12.6 MPG 1 week ago

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Take it easy on the gas pedal

Instead of gunning it once the light changes to green, give ... ...

by engineerdude

2021 GMC Sierra MPG

2021 GMC Sierras For Sale Nearby

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