2021 GMC Terrain MPG
Based on data from 11 vehicles, 992 fuel-ups and 246,232 miles of driving, the 2021 GMC Terrain gets a combined Avg MPG of 26.08 with a 0.25 MPG margin of error.
Below you can see a distribution of the fuel-ups with 36 outliers (3.50%) removed.
Following shows the average MPG of each of the 11 vehicles in the system.
2021 GMC Terrains For Sale Nearby
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Terrain
2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Jan 2023 • 161 Fuel-upsProperty of 2xGrey
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27.4 Avg MPG
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TERRAIN
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Jul 2021 • 60 Fuel-upsProperty of Gotham29
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23.2 Avg MPG
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My Terrain
2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Nov 2021 • 168 Fuel-upsProperty of mcewen514
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25.9 Avg MPG
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Terrain
2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added May 2021 • 322 Fuel-upsProperty of Que850
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24.2 Avg MPG
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GMC Terrain
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
Added Apr 2021 • 5 Fuel-upsProperty of Jkasopsky
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131.3 Avg MPG
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Satin Steel
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Feb 2021 • 36 Fuel-upsProperty of rxmonchamp
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25.5 Avg MPG
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2021 GMC Terrain
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Feb 2023 • 189 Fuel-upsProperty of terrymc1
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27.9 Avg MPG
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AllTerrainVehicle
2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Apr 2021 • 85 Fuel-upsProperty of SilverSLE
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32.3 Avg MPG
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Jo Ann's Upgrade
2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Jun 2021 • 39 Fuel-upsProperty of mjshultz
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24.0 Avg MPG
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GMC Terrain
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added May 2022 • 6 Fuel-upsProperty of dcollin9
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33.8 Avg MPG
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Dizzy
2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Jul 2021 • 7 Fuel-upsProperty of SpaceEngineer
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31.0 Avg MPG