Based on data from 71 vehicles, 5,621 fuel-ups and 1,597,498 miles of driving, the 2011 GMC Terrain gets a combined Avg MPG of 21.40 with a 0.13 MPG margin of error.

Any Engine Type 2.4L L4 GAS (36) 3.0L V6 FLEX (10) GAS (1) L4 GAS (17) V6 GAS (4) Any Body Style Sport Utility (14) Any Submodel SLE (20) SLT (27) Other (24)

Below you can see a distribution of the fuel-ups with 178 outliers (3.07%) removed.

Following shows the average MPG of each of the 71 vehicles in the system.

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• John

  2011 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 358 Fuel-ups

  Property of johnsridgeline

• 26.4 Avg MPG

• Black_Terrain

  2011 GMC Terrain SLE 2.4L GAS L4 Automatic 6 Sport Utility (4 Door)
  Added May 2015 • 163 Fuel-ups

  Property of Black_terrain

• 23.4 Avg MPG

• Terrain

  2011 GMC Terrain GAS L4
  Added Feb 2011 • 153 Fuel-ups

  Property of fireman591

• 21.2 Avg MPG

• Terrain

  2011 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 82 Fuel-ups

  Property of ktm769

• 20.6 Avg MPG

• Terrain

  2011 GMC Terrain SLE 2.4L GAS L4 Automatic 6 Sport Utility (4 Door)
  Added Oct 2014 • 3 Fuel-ups

  Property of queuewho

• 20.1 Avg MPG

• GMC Terrain

  2011 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 7 Fuel-ups

  Property of jessie686

• 26.4 Avg MPG

• GMC

  2011 GMC Terrain GAS V6
  Added Feb 2013 • 32 Fuel-ups

  Property of cilagan

• 17.3 Avg MPG

• GMC Terrain

  2011 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 94 Fuel-ups

  Property of John733

• 24.7 Avg MPG

• Merlot

  2011 GMC Terrain GAS L4
  Added May 2011 • 127 Fuel-ups

  Property of bjeiii

• 24.5 Avg MPG

• CM 8888

  2011 GMC Terrain GAS L4
  Added Dec 2013 • 4 Fuel-ups

  Property of thechadmartinez

• 19.0 Avg MPG

• Terrain

  2011 GMC Terrain GAS L4
  Added Mar 2012 • 82 Fuel-ups

  Property of lisadw

• 24.0 Avg MPG

• Dee Dee's

  2011 GMC Terrain GAS V6
  Added Sep 2013 • 4 Fuel-ups

  Property of deedee623

• 15.5 Avg MPG

• terrain

  2011 GMC Terrain GAS L4
  Added Dec 2012 • 16 Fuel-ups

  Property of ku9s

• 17.2 Avg MPG

• Cyber Gray

  2011 GMC Terrain GAS L4
  Added Jul 2012 • 110 Fuel-ups

  Property of Greltor

• 27.3 Avg MPG

• GMC Terrain

  2011 GMC Terrain GAS L4
  Added Mar 2013 • 9 Fuel-ups

  Property of jpatrick2007

• 22.6 Avg MPG

• Terrain

  2011 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added May 2017 • 22 Fuel-ups

  Property of TrickyVic61

• 44.6 Avg MPG

• GMC Terrain

  2011 GMC Terrain GAS V6
  Added Jan 2011 • 69 Fuel-ups

  Property of Thekman78

• 17.3 Avg MPG

• GMC Terrain

  2011 GMC Terrain GAS L4
  Added Aug 2011 • 53 Fuel-ups

  Property of ShamrockShooter

• 26.0 Avg MPG

• Rachels

  2011 GMC Terrain GAS L4
  Added Jun 2012 • 28 Fuel-ups

  Property of fightenfire

• 24.2 Avg MPG

• Dominator

  2011 GMC Terrain GAS L4
  Added Aug 2011 • 21 Fuel-ups

  Property of MPG

• 24.3 Avg MPG

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