Click here to see important news regarding the aCar App

2020 GMC Terrain MPG

Based on data from 35 vehicles, 2,783 fuel-ups and 738,549 miles of driving, the 2020 GMC Terrain gets a combined Avg MPG of 24.16 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 52 outliers (1.83%) removed.

Following shows the average MPG of each of the 35 vehicles in the system.

2020 GMC Terrains For Sale Nearby

  • Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Aug 2024 • 41 Fuel-ups

    Property of PicheNDX

  • 28.1 Avg MPG
  • My Terrain

    2020 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Aug 2024 • 20 Fuel-ups

    Property of Tcbrown11

  • 24.5 Avg MPG
  • Terrain

    2020 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Oct 2021 • 18 Fuel-ups

    Property of slugro

  • 23.8 Avg MPG
  • 2020 GMC Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Jul 2020 • 262 Fuel-ups

    Property of fredgannon

  • 25.4 Avg MPG
  • My Terrain

    2020 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
    Added Jul 2024 • 15 Fuel-ups

    Property of jonathanivan

  • 22.3 Avg MPG
  • 2020 Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Sep 2020 • 130 Fuel-ups

    Property of Wrench01

  • 28.0 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Aug 2020 • 114 Fuel-ups

    Property of JessicaMarie

  • 20.7 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added May 2024 • 14 Fuel-ups

    Property of sarahkirkwills

  • 25.3 Avg MPG
  • GMC Terrain SLT

    2020 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Nov 2020 • 314 Fuel-ups

    Property of Arik74

  • 22.1 Avg MPG
  • 2020 Terrain

    2020 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added Jun 2021 • 207 Fuel-ups

    Property of bjames69firebird

  • 26.7 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT
    Added Jan 2020 • 63 Fuel-ups

    Property of wrjsn

  • 24.9 Avg MPG
  • 2020 GMC Terrain

    2020 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Apr 2021 • 142 Fuel-ups

    Property of dlav_ca

  • 23.4 Avg MPG
  • Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
    Added Feb 2020 • 146 Fuel-ups

    Property of dmarbes

  • 26.7 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Mar 2020 • 137 Fuel-ups

    Property of trains2007

  • 25.4 Avg MPG
  • My Terrain

    2020 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
    Added May 2024 • 3 Fuel-ups

    Property of brettbeggs

  • 28.3 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Jun 2020 • 143 Fuel-ups

    Property of phillyturbosix

  • 24.9 Avg MPG
  • Terrain

    2020 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
    Added Jan 2020 • 10 Fuel-ups

    Property of jones715

  • 20.0 Avg MPG
  • GMC Terrain

    2020 GMC Terrain SLE Automatic 9 Speed Sport Utility
    Added Jul 2020 • 91 Fuel-ups

    Property of lizhbunce

  • 27.5 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
    Added Apr 2021 • 96 Fuel-ups

    Property of alialsa

  • 19.1 Avg MPG
  • My Terrain

    2020 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
    Added Mar 2021 • 107 Fuel-ups

    Property of sunnykub

  • 29.0 Avg MPG

Recent Activity

from other GMC Terrain vehicles (View All)

Tips

Recording mileage without a phone or pen

When fueling up my motorcycle, I use the tip of my key to wr... ...

by Fox

Read more tips