2018 GMC Terrain MPG
Based on data from 78 vehicles, 6,665 fuel-ups and 2,186,198 miles of driving, the 2018 GMC Terrain gets a combined Avg MPG of 28.38 with a 0.20 MPG margin of error.
Below you can see a distribution of the fuel-ups with 60 outliers (0.89%) removed.
Following shows the average MPG of each of the 78 vehicles in the system.
2018 GMC Terrains For Sale Nearby
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Trichs Terrain
2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
Added Jun 2018 • 253 Fuel-upsProperty of Hammer46
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26.5 Avg MPG
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Dad's Terrain
2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
Added Jun 2019 • 107 Fuel-upsProperty of HerbTarlek
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26.7 Avg MPG
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Gmc Terrian
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Mar 2018 • 249 Fuel-upsProperty of cjp_8476
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33.9 Avg MPG
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Red Terrain
2018 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
Added Aug 2022 • 73 Fuel-upsProperty of chrishuntfish2
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25.6 Avg MPG
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Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Dec 2017 • 94 Fuel-upsProperty of red5_5
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26.7 Avg MPG
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BlackCloud’s '18 Terrain Diesel
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
Added May 2019 • 199 Fuel-upsProperty of Cyanide
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39.2 Avg MPG
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My Terrain
2018 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
Added Dec 2020 • 28 Fuel-upsProperty of Niff42
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21.5 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Apr 2019 • 100 Fuel-upsProperty of superherofedman
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39.8 Avg MPG
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Tank
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
Added Dec 2023 • 11 Fuel-upsProperty of Coralreef
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40.1 Avg MPG
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GMC Terrain Denali
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
Added Feb 2021 • 108 Fuel-upsProperty of nlatkinson
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19.6 Avg MPG
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Terrain
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
Added Nov 2021 • 79 Fuel-upsProperty of artman1913
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27.3 Avg MPG
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Terrain
2018 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
Added Feb 2023 • 4 Fuel-upsProperty of vincent1959
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37.1 Avg MPG
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Storm Breaker
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
Added May 2018 • 229 Fuel-upsProperty of BayMan25
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30.6 Avg MPG
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Diesel Terrain
2018 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed
Added Nov 2019 • 168 Fuel-upsProperty of blkterrain
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37.6 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
Added Oct 2022 • 53 Fuel-upsProperty of Mike7777
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24.6 Avg MPG
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My Terrain
2018 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
Added Oct 2022 • 4 Fuel-upsProperty of us_ct_tc
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24.4 Avg MPG
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2018 Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed Sport Utility
Added Feb 2022 • 12 Fuel-upsProperty of Rworen
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24.5 Avg MPG
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My Terrain
2018 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
Added May 2019 • 14 Fuel-upsProperty of msshowler
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21.9 Avg MPG
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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