Based on data from 57 vehicles, 3,734 fuel-ups and 1,179,319 miles of driving, the 2013 GMC Terrain gets a combined Avg MPG of 21.81 with a 0.13 MPG margin of error.

Any Engine Type 2.4L L4 FLEX (15) 2.4L L4 GAS (24) 3.6L V6 FLEX (5) 3.6L V6 GAS (2) L4 GAS (3) V6 GAS (4) Any Body Style Sport Utility (12) Any Submodel Denali (5) SLT (16) SLE (27) Other (9)

Below you can see a distribution of the fuel-ups with 127 outliers (3.29%) removed.

Following shows the average MPG of each of the 57 vehicles in the system.

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• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 330 Fuel-ups

  Property of das11520

• 25.1 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2019 • 10 Fuel-ups

  Property of OutbackXT

• 22.3 Avg MPG

• My Terrain

  2013 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
  Added Aug 2017 • 327 Fuel-ups

  Property of Envisionit

• 22.1 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Oct 2017 • 177 Fuel-ups

  Property of donnitas

• 20.4 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 100 Fuel-ups

  Property of sngy9f

• 18.7 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Oct 2019 • 56 Fuel-ups

  Property of andreahanek

• 20.1 Avg MPG

• debbie's terrain

  2013 GMC Terrain Denali 2.4L L4 FLEX Automatic 6 Speed
  Added Sep 2016 • 416 Fuel-ups

  Property of marinermoe

• 23.2 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed Sport Utility
  Added Oct 2017 • 60 Fuel-ups

  Property of rgerlach

• 18.5 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed
  Added Mar 2017 • 197 Fuel-ups

  Property of kaseynicole

• 18.5 Avg MPG

• Jordan

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Jan 2020 • 8 Fuel-ups

  Property of Soxpool15

• 21.4 Avg MPG

• My Terrain

  2013 GMC Terrain Denali 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added May 2017 • 189 Fuel-ups

  Property of Blodgins

• 20.4 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

• 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

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Jun 2019 • 5 Fuel-ups

  Property of sandymack

• 17.7 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Mar 2019 • 5 Fuel-ups

  Property of dnhedger

• 14.9 Avg MPG

• Blue Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added May 2017 • 132 Fuel-ups

  Property of TrickyVic61

• 34.6 Avg MPG

• Terrain

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Apr 2018 • 309 Fuel-ups

  Property of CarlaHarbert

• 24.8 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 5 Fuel-ups

  Property of Becker3206

• 24.5 Avg MPG

• Patrick's Ride

  2013 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 30 Fuel-ups

  Property of BoogersSon

• 19.1 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Mar 2018 • 15 Fuel-ups

  Property of Troy62965

• 22.4 Avg MPG

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