Based on data from 44 vehicles, 3,375 fuel-ups and 914,889 miles of driving, the 2010 GMC Terrain gets a combined Avg MPG of 18.86 with a 0.15 MPG margin of error.

Any Engine Type 2.4L L4 GAS (21) 3.0L V6 GAS (12) L4 GAS (4) V6 GAS (3) Any Body Style Sport Utility (7) Any Submodel SLE (11) SLT (23) Other (10)

Below you can see a distribution of the fuel-ups with 102 outliers (2.93%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

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• My Terrain

  2010 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added Oct 2017 • 12 Fuel-ups

  Property of richardstp45

• 20.3 Avg MPG

• My Terrain

  2010 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 9 Fuel-ups

  Property of Voltricia

• 26.8 Avg MPG

• Kev

  2010 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 222 Fuel-ups

  Property of koolkev

• 20.5 Avg MPG

• My Terrain

  2010 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Jul 2017 • 3 Fuel-ups

  Property of cesarfuel

• 21.8 Avg MPG

• Terrain

  2010 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 363 Fuel-ups

  Property of jb1515

• 18.5 Avg MPG

• Terrain

  2010 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 167 Fuel-ups

  Property of amypell25

• 23.5 Avg MPG

• Terrain

  2010 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 41 Fuel-ups

  Property of wabimen

• 75.5 Avg MPG

• Jim Sawyers

  2010 GMC Terrain SLX
  Added Mar 2017 • 104 Fuel-ups

  Property of jimsawyersjr

• 15.6 Avg MPG

• Terrain

  2010 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Sport Utility (4 Door)
  Added Aug 2014 • 45 Fuel-ups

  Property of mikeanobile

• 19.1 Avg MPG

• My Terrain

  2010 GMC Terrain GAS L4
  Added Nov 2009 • 174 Fuel-ups

  Property of sdkjr

• 19.0 Avg MPG

• Gremlin

  2010 GMC Terrain SLE 2.4L L4 GAS
  Added Feb 2014 • 47 Fuel-ups

  Property of lordfalchion

• 23.4 Avg MPG

• Terrain

  2010 GMC Terrain SLE 2.4L L4 GAS
  Added Mar 2014 • 17 Fuel-ups

  Property of tmozer

• 21.3 Avg MPG

• Terrain

  2010 GMC Terrain SLT 2.4L L4 GAS
  Added Apr 2010 • 167 Fuel-ups

  Property of mikef

• 23.3 Avg MPG

• YTerrain

  2010 GMC Terrain Custom Submodel L4 GAS
  Added Jan 2014 • 16 Fuel-ups

  Property of idecodriver

• 22.5 Avg MPG

• Terrain

  2010 GMC Terrain GAS V6
  Added Jul 2010 • 287 Fuel-ups

  Property of kuppyr

• 16.2 Avg MPG

• GMC Terrain

  2010 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 159 Fuel-ups

  Property of safersport

• 24.0 Avg MPG

• GMC Terrain SLT 2 V6

  2010 GMC Terrain GAS V6
  Added Apr 2012 • 48 Fuel-ups

  Property of dhill2940

• 21.0 Avg MPG

• my terrain

  2010 GMC Terrain GAS L4
  Added Jun 2010 • 133 Fuel-ups

  Property of nhynes

• 22.4 Avg MPG

• Silver bullet

  2010 GMC Terrain GAS L4
  Added Jan 2011 • 21 Fuel-ups

  Property of norm985

• 24.4 Avg MPG

• Silver Terrain SLT

  2010 GMC Terrain GAS V6
  Added Jan 2011 • 12 Fuel-ups

  Property of Gold150

• 20.1 Avg MPG

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