Based on data from 62 vehicles, 5,505 fuel-ups and 1,507,558 miles of driving, the 2019 GMC Terrain gets a combined Avg MPG of 25.05 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 (32) Any Body Style Sport Utility (18) Any Submodel SL (1) Denali (18) SLE (20) SLT (23)

Below you can see a distribution of the fuel-ups with 238 outliers (4.14%) removed.

Following shows the average MPG of each of the 62 vehicles in the system.

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• My Terrain

  2019 GMC Terrain SLE 1.6L L4 DIESEL Automatic 6 Speed
  Added Feb 2020 • 216 Fuel-ups

  Property of PrinceXizor

• 34.8 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
  Added May 2019 • 490 Fuel-ups

  Property of cristela

• 25.3 Avg MPG

• 2019 Gmc Terrain

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed Sport Utility
  Added Apr 2019 • 180 Fuel-ups

  Property of bmp4free

• 23.3 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
  Added Oct 2024 • 25 Fuel-ups

  Property of jeepgirl2

• 32.6 Avg MPG

• GMC Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2022 • 62 Fuel-ups

  Property of srbass88

• 27.4 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed
  Added Mar 2019 • 320 Fuel-ups

  Property of RJinOV

• 27.8 Avg MPG

• Trixie

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Sep 2018 • 139 Fuel-ups

  Property of sinman65

• 25.4 Avg MPG

• Terrian

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed Sport Utility
  Added Jan 2025 • 102 Fuel-ups

  Property of Jeffers62

• 29.0 Avg MPG

• My Terrain

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
  Added Jan 2022 • 304 Fuel-ups

  Property of cmmitchel

• 26.6 Avg MPG

• 2019 Terrain

  2019 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Sep 2020 • 130 Fuel-ups

  Property of Turboclownfish

• 22.2 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Nov 2022 • 121 Fuel-ups

  Property of lindseylindgren

• 22.4 Avg MPG

• My Terrain

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed
  Added Apr 2019 • 278 Fuel-ups

  Property of RussT74

• 26.4 Avg MPG

• My Terrain

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 6 Speed
  Added May 2019 • 275 Fuel-ups

  Property of tally1028

• 19.1 Avg MPG

• 2019 Terrain

  2019 GMC Terrain SLT 2.0L L4 GAS Automatic 9 Speed
  Added Jul 2020 • 175 Fuel-ups

  Property of John733

• 22.7 Avg MPG

• Terrain

  2019 GMC Terrain SLT 1.6L L4 DIESEL Automatic 6 Speed Sport Utility
  Added Jan 2022 • 253 Fuel-ups

  Property of JoshuaMB

• 34.2 Avg MPG

• GMC Terrain 2019

  2019 GMC Terrain SLE 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Dec 2018 • 11 Fuel-ups

  Property of rickgoddard

• 129.0 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 4 Fuel-ups

  Property of genem

• 27.0 Avg MPG

• My Terrain

  2019 GMC Terrain SLE 1.5L L4 GAS Automatic 9 Speed
  Added Aug 2020 • 165 Fuel-ups

  Property of Filola

• 23.8 Avg MPG

• Silver Fox

  2019 GMC Terrain Denali 2.0L L4 GAS Automatic 9 Speed Sport Utility
  Added Aug 2018 • 70 Fuel-ups

  Property of GF09

• 24.6 Avg MPG

• My Terrain

  2019 GMC Terrain SLT 1.5L L4 GAS Automatic 9 Speed
  Added Apr 2024 • 68 Fuel-ups

  Property of 6InARowMakeItGo

• 26.5 Avg MPG

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