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2021 GMC Terrain MPG

Based on data from 10 vehicles, 527 fuel-ups and 120,396 miles of driving, the 2021 GMC Terrain gets a combined Avg MPG of 25.60 with a 0.38 MPG margin of error.

Below you can see a distribution of the fuel-ups with 11 outliers (2.04%) removed.

Following shows the average MPG of each of the 10 vehicles in the system.

2021 GMC Terrains For Sale Nearby

  • 2021 GMC Terrain

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Dec 2020 • 96 Fuel-ups

    Property of terrymc1

  • 27.6 Avg MPG
  • My Terrain

    2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Nov 2021 • 58 Fuel-ups

    Property of mcewen514

  • 25.6 Avg MPG
  • TERRAIN

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Jul 2021 • 26 Fuel-ups

    Property of Gotham29

  • 25.3 Avg MPG
  • Terrain

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Jun 2021 • 65 Fuel-ups

    Property of DonG23

  • 27.5 Avg MPG
  • Terrain

    2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added May 2021 • 230 Fuel-ups

    Property of Que850

  • 23.4 Avg MPG
  • AllTerrainVehicle

    2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Apr 2021 • 44 Fuel-ups

    Property of SilverSLE

  • 32.5 Avg MPG
  • Jo Ann's Upgrade

    2021 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Jun 2021 • 23 Fuel-ups

    Property of mjshultz

  • 23.6 Avg MPG
  • Satin Steel

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2021 • 13 Fuel-ups

    Property of rxmonchamp

  • 25.1 Avg MPG
  • GMC Terrain

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added May 2022 • 6 Fuel-ups

    Property of dcollin9

  • 33.8 Avg MPG
  • Dizzy

    2021 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Jul 2021 • 7 Fuel-ups

    Property of SpaceEngineer

  • 31.0 Avg MPG

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