2021 GMC Sierra MPG

Based on data from 1 vehicles, 23 fuel-ups and 7,976 miles of driving, the 2021 GMC Sierra gets a combined Avg MPG of 18.28 with a 0.81 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (4.17%) removed.

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2021 GMC Sierra AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
Added Jul 2024 • 44 Fuel-ups

Property of joedogg
18.2 Avg MPG

Recent Activity

from other GMC Sierra vehicles (View All)

TDI13 fueled-up their 2022 GMC Sierra. Last Tank: 21.9 MPG 9 hours ago
sander025 added 1 notes for their 2022 GMC Sierra. 12 hours ago
swood2940 added 1 notes for their 2022 GMC Sierra. 1 day ago
Birish added 1 notes for their 2022 GMC Sierra. 1 day ago
jhruska fueled-up their 2022 GMC Sierra. Last Tank: 13.2 MPG 2 days ago
Ed753 fueled-up their 2022 GMC Sierra. Last Tank: 13.6 MPG 2 days ago
urbs76 fueled-up their 2022 GMC Sierra. Last Tank: 24.3 MPG 3 days ago

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2021 GMC Sierra MPG

2021 GMC Sierras For Sale Nearby

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