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2015 GMC Terrain MPG

Based on data from 59 vehicles, 4,343 fuel-ups and 1,277,966 miles of driving, the 2015 GMC Terrain gets a combined Avg MPG of 21.09 with a 0.12 MPG margin of error.

Below you can see a distribution of the fuel-ups with 120 outliers (2.69%) removed.

Following shows the average MPG of each of the 59 vehicles in the system.

2015 GMC Terrains For Sale Nearby

  • White Terrain

    2015 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed
    Added Jul 2023 • 86 Fuel-ups

    Property of 2009Terrain

  • 21.7 Avg MPG
  • Terrain

    2015 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
    Added Dec 2023 • 45 Fuel-ups

    Property of Amark5933

  • 20.4 Avg MPG
  • Gmc 2015 Terrain - Navy

    2015 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
    Added Mar 2025 • 20 Fuel-ups

    Property of Envisionit

  • 19.1 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 3.6L V6 GAS Automatic 6 Speed
    Added Aug 2019 • 176 Fuel-ups

    Property of TMO65

  • 18.1 Avg MPG
  • My Terrain

    2015 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed
    Added Sep 2023 • 69 Fuel-ups

    Property of kay8989

  • 54.5 Avg MPG
  • Terrain

    2015 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
    Added Dec 2015 • 433 Fuel-ups

    Property of rgill429

  • 17.9 Avg MPG
  • GMC Terrain

    2015 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed
    Added Jul 2024 • 25 Fuel-ups

    Property of bntringa

  • 21.4 Avg MPG
  • Red

    2015 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
    Added Mar 2018 • 130 Fuel-ups

    Property of mouldman

  • 22.6 Avg MPG
  • Terran

    2015 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed
    Added Oct 2023 • 49 Fuel-ups

    Property of FrozenFire

  • 19.0 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
    Added May 2018 • 46 Fuel-ups

    Property of keyates

  • 23.3 Avg MPG
  • Kelsey's Baby Truck 2.0

    2015 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
    Added May 2017 • 404 Fuel-ups

    Property of Kaszmann

  • 22.3 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
    Added Jul 2018 • 283 Fuel-ups

    Property of MelMurtle

  • 23.0 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
    Added Mar 2023 • 30 Fuel-ups

    Property of jpeeps

  • 21.5 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 3.6L V6 GAS Automatic 6 Speed
    Added Mar 2017 • 14 Fuel-ups

    Property of mgoblue94

  • 61.1 Avg MPG
  • Terrain

    2015 GMC Terrain Denali 3.6L V6 FLEX Automatic 6 Speed Sport Utility
    Added Dec 2018 • 569 Fuel-ups

    Property of jdebner

  • 21.3 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
    Added Aug 2020 • 152 Fuel-ups

    Property of keyates629

  • 23.8 Avg MPG
  • My Terrain

    2015 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
    Added Feb 2022 • 28 Fuel-ups

    Property of tdsmith

  • 20.0 Avg MPG
  • Terrain

    2015 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
    Added Jan 2019 • 35 Fuel-ups

    Property of h46crewchf

  • 37.7 Avg MPG
  • Terrain

    2015 GMC Terrain SLE 3.6L V6 GAS Automatic 6 Speed Sport Utility
    Added May 2021 • 29 Fuel-ups

    Property of DeeGeorge

  • 40.8 Avg MPG
  • Silver Sky

    2015 GMC Terrain SL 2.4L L4 GAS Automatic 5 Speed Sport Utility
    Added May 2015 • 119 Fuel-ups

    Property of Lonestar4X4

  • 22.8 Avg MPG

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