2018 GMC Terrain MPG
Based on data from 80 vehicles, 7,543 fuel-ups and 2,485,218 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.51 with a 0.19 MPG margin of error.
Below you can see a distribution of the fuel-ups with 42 outliers (0.55%) removed.
Following shows the average MPG of each of the 80 vehicles in the system.
2018 GMC Terrains For Sale Nearby
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GT2018
2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Aug 2018 • 48 Fuel-upsProperty of gain74
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28.5 Avg MPG
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My Terrain
2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
Added Mar 2022 • 5 Fuel-upsProperty of burnsey
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24.3 Avg MPG
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My Terrain
2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
Added Jan 2020 • 98 Fuel-upsProperty of adebbie24
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25.7 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Mar 2019 • 160 Fuel-upsProperty of sharmckel
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27.5 Avg MPG
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Terrain
2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Sep 2017 • 156 Fuel-upsProperty of JoaoManuel
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28.2 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
Added Dec 2020 • 49 Fuel-upsProperty of drifter47
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25.1 Avg MPG
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GMC Terrain
2018 GMC Terrain SLT 2.0L L4 GAS Automatic Sport Utility
Added Apr 2018 • 57 Fuel-upsProperty of dperez80
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25.0 Avg MPG
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My Terrain
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
Added May 2021 • 8 Fuel-upsProperty of erichaddox
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31.8 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Jul 2018 • 124 Fuel-upsProperty of coughlinmp
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26.8 Avg MPG
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Terrain ‘18
2018 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
Added Apr 2018 • 121 Fuel-upsProperty of wabash
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26.4 Avg MPG
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Blue Steel
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
Added Apr 2018 • 29 Fuel-upsProperty of rxmonchamp
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25.5 Avg MPG
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My Terrain
2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
Added Dec 2017 • 110 Fuel-upsProperty of dwb81
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20.0 Avg MPG
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My Terrain
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
Added Jan 2019 • 36 Fuel-upsProperty of gtab
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26.8 Avg MPG
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Hawkeye
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
Added Oct 2020 • 10 Fuel-upsProperty of Samari
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25.5 Avg MPG
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My Terrain
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
Added Sep 2020 • 10 Fuel-upsProperty of Samari
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27.1 Avg MPG
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My Terrain
2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed
Added Jan 2018 • 110 Fuel-upsProperty of koolkev
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19.5 Avg MPG
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Diesel Terrain
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Nov 2019 • 11 Fuel-upsProperty of lovebohn
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35.2 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
Added Jul 2018 • 134 Fuel-upsProperty of qsterx
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34.5 Avg MPG
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GMC Terrain
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
Added Nov 2017 • 63 Fuel-upsProperty of amtrak8
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31.6 Avg MPG
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Pollywog
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Dec 2019 • 42 Fuel-upsProperty of jtparton
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37.0 Avg MPG