Based on data from 64 vehicles, 5,668 fuel-ups and 1,553,302 miles of driving, the 2019 GMC Terrain gets a combined Avg MPG of 25.01 with a 0.14 MPG margin of error.

Any Engine Type 1.5L L4 GAS (27) 1.6L L4 DIESEL (3) 2.0L L4 GAS (34) Any Body Style Sport Utility (21) Any Submodel SL (1) SLE (20) Denali (20) SLT (23)

Below you can see a distribution of the fuel-ups with 249 outliers (4.21%) removed.

Following shows the average MPG of each of the 64 vehicles in the system.

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• 2019 Terrain White

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
  Added May 2019 • 94 Fuel-ups

  Property of mwcorder

• 26.9 Avg MPG

• Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2019 • 128 Fuel-ups

  Property of jrdzrmz

• 23.7 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2019 • 118 Fuel-ups

  Property of gascost

• 19.3 Avg MPG

• Thatcher

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
  Added Jan 2021 • 75 Fuel-ups

  Property of kirrras

• 23.2 Avg MPG

• Family ride

  2019 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
  Added Apr 2019 • 133 Fuel-ups

  Property of J_K4Ever

• 31.9 Avg MPG

• 2019 Dark Blue GMC Terrain

  2019 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Feb 2021 • 85 Fuel-ups

  Property of SteveSonic

• 31.3 Avg MPG

• My Terrain 19

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 145 Fuel-ups

  Property of ghulett

• 24.5 Avg MPG

• Joe's Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
  Added Jun 2019 • 131 Fuel-ups

  Property of JoeThreet

• 20.4 Avg MPG

• Trixie

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
  Added Jun 2019 • 86 Fuel-ups

  Property of JoeThreet

• 22.1 Avg MPG

• x19 GMC Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Feb 2019 • 64 Fuel-ups

  Property of VehMaint

• 23.3 Avg MPG

• GMC Terrain Denali 2019

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2018 • 47 Fuel-ups

  Property of 2Rotars

• 21.3 Avg MPG

• GMC Terrain Denali 2019

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Mar 2025 • 47 Fuel-ups

  Property of 2Rotars

• 21.3 Avg MPG

• My Terrain

  2019 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
  Added Oct 2020 • 20 Fuel-ups

  Property of custcomp

• 22.6 Avg MPG

• 2019 Dark Blue GMC Terrain

  2019 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Mar 2019 • 61 Fuel-ups

  Property of SteveSonic

• 31.0 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2018 • 51 Fuel-ups

  Property of trainman

• 25.1 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
  Added Nov 2019 • 17 Fuel-ups

  Property of piwilly

• 21.0 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2019 • 26 Fuel-ups

  Property of atrizz818

• 20.5 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed
  Added Nov 2018 • 114 Fuel-ups

  Property of revy48

• 24.7 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Mar 2019 • 24 Fuel-ups

  Property of Karlap

• 24.6 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Dec 2018 • 45 Fuel-ups

  Property of ajwilson

• 23.9 Avg MPG

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