Based on data from 63 vehicles, 4,466 fuel-ups and 1,387,560 miles of driving, the 2013 GMC Terrain gets a combined Avg MPG of 21.61 with a 0.12 MPG margin of error.

Any Engine Type 2.4L L4 FLEX (14) 2.4L L4 GAS (28) 3.6L V6 FLEX (7) 3.6L V6 GAS (3) L4 GAS (3) V6 GAS (4) Any Body Style Sport Utility (16) Any Submodel Denali (7) SLT (19) SLE (28) Other (9)

Below you can see a distribution of the fuel-ups with 146 outliers (3.17%) removed.

Following shows the average MPG of each of the 63 vehicles in the system.

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• Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Jun 2021 • 79 Fuel-ups

  Property of bMonk

• 23.1 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 144 Fuel-ups

  Property of sngy9f

• 18.9 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Oct 2017 • 235 Fuel-ups

  Property of donnitas

• 20.5 Avg MPG

• My Terrain

  2013 GMC Terrain Denali 3.6L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 39 Fuel-ups

  Property of MarvMiller

• 19.9 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 428 Fuel-ups

  Property of das11520

• 25.4 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2021 • 59 Fuel-ups

  Property of Shanna49

• 22.1 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed Sport Utility
  Added Oct 2017 • 89 Fuel-ups

  Property of rgerlach

• 17.7 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed
  Added Mar 2017 • 242 Fuel-ups

  Property of kaseynicole

• 17.8 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Mar 2018 • 23 Fuel-ups

  Property of msova2

• 20.6 Avg MPG

• debbie's terrain

  2013 GMC Terrain Denali 2.4L L4 FLEX Automatic 6 Speed
  Added Sep 2016 • 489 Fuel-ups

  Property of marinermoe

• 23.1 Avg MPG

• 2013 GMC Terrain SLT-1

  2013 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added Sep 2021 • 77 Fuel-ups

  Property of BradSR

• 20.3 Avg MPG

• Terrain Turd

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2022 • 3 Fuel-ups

  Property of babytruck97

• 17.7 Avg MPG

• My Terrain

  2013 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
  Added Aug 2017 • 381 Fuel-ups

  Property of Envisionit

• 21.6 Avg MPG

• Wagon

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Nov 2020 • 15 Fuel-ups

  Property of kendalltf

• 19.9 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Jun 2021 • 72 Fuel-ups

  Property of soulsblade

• 20.6 Avg MPG

• GMC

  2013 GMC Terrain Denali 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added Mar 2021 • 17 Fuel-ups

  Property of KFrog

• 19.5 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Oct 2019 • 93 Fuel-ups

  Property of andreahanek

• 21.3 Avg MPG

• My Terrain

  2013 GMC Terrain Denali 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added May 2017 • 197 Fuel-ups

  Property of Blodgins

• 20.4 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2019 • 73 Fuel-ups

  Property of OutbackXT

• 23.0 Avg MPG

• Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Sep 2016 • 144 Fuel-ups

  Property of tryals15

• 21.2 Avg MPG

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