2021 GMC Sierra MPG

Based on data from 1 vehicles, 12 fuel-ups and 4,502 miles of driving, the 2021 GMC Sierra gets a combined Avg MPG of 18.97 with a 0.96 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (14.29%) removed.

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2021 GMC Sierra AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
Added Jul 2024 • 30 Fuel-ups

Property of joedogg
18.7 Avg MPG

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from other GMC Sierra vehicles (View All)

dhulsty fueled-up their 2022 GMC Sierra. Last Tank: 23.5 MPG 20 minutes ago
SpecMiata23 fueled-up their 2022 GMC Sierra. Last Tank: 15.1 MPG 1 day ago
cjel23 added 1 notes for their 2022 GMC Sierra. 2 days ago
TDI13 fueled-up their 2022 GMC Sierra. Last Tank: 26.0 MPG 2 days ago
RADGAS added 1 notes for their 2022 GMC Sierra. 3 days ago
Zyoid added 1 notes for their 2022 GMC Sierra. 4 days ago
recoutts added 17 reminders for their 2012 GMC Sierra. 6 days ago

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Monitor how your tyres are wearing. Most manufacturers recom... ...

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2021 GMC Sierra MPG

2021 GMC Sierras For Sale Nearby

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