Based on data from 65 vehicles, 4,743 fuel-ups and 1,466,086 miles of driving, the 2013 GMC Terrain gets a combined Avg MPG of 21.54 with a 0.12 MPG margin of error.

Any Engine Type 2.4L L4 FLEX (14) 2.4L L4 GAS (29) 3.6L V6 FLEX (6) 3.6L V6 GAS (5) L4 GAS (3) V6 GAS (4) Any Body Style Sport Utility (15) Any Submodel Denali (7) SLT (19) SLE (30) Other (9)

Below you can see a distribution of the fuel-ups with 164 outliers (3.34%) removed.

Following shows the average MPG of each of the 65 vehicles in the system.

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• 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 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

• 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

• Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 179 Fuel-ups

  Property of bigboy1

• 24.8 Avg MPG

• Amber's Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 36 Fuel-ups

  Property of dj697s

• 66.6 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 3.6L V6 FLEX Automatic 6 Speed
  Added Feb 2018 • 28 Fuel-ups

  Property of cbarkus

• 16.7 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 15 Fuel-ups

  Property of wlimanen

• 21.6 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Apr 2017 • 26 Fuel-ups

  Property of mitch5591

• 25.2 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Mar 2018 • 12 Fuel-ups

  Property of Tastewart1965

• 20.0 Avg MPG

• My Terrain

  2013 GMC Terrain Denali 2.4L L4 FLEX Automatic 6 Speed
  Added Jun 2014 • 134 Fuel-ups

  Property of duanehaas

• 23.8 Avg MPG

• My Terrain FWD

  2013 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed
  Added Feb 2017 • 111 Fuel-ups

  Property of hunt_mpg

• 24.3 Avg MPG

• GMC Terrain

  2013 GMC Terrain SLE 3.6L V6 GAS Automatic 6 Speed
  Added Jan 2018 • 7 Fuel-ups

  Property of trendsetter

• 20.1 Avg MPG

• My Terrain

  2013 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Jan 2017 • 57 Fuel-ups

  Property of stewee

• 17.9 Avg MPG

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