Based on data from 96 vehicles, 8,275 fuel-ups and 2,461,046 miles of driving, the 2012 GMC Terrain gets a combined Avg MPG of 20.84 with a 0.09 MPG margin of error.

Any Engine Type 2.4L L4 FLEX (22) 2.4L L4 GAS (24) 3.0L V6 FLEX (13) 3.0L V6 GAS (15) H2 GAS (1) L4 GAS (13) V6 GAS (1) Any Body Style Sedan (1) Sport Utility (25) Any Submodel SLE (39) SLT (42) Other (15)

Below you can see a distribution of the fuel-ups with 194 outliers (2.29%) removed.

Following shows the average MPG of each of the 96 vehicles in the system.

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• Terri Terrain

  2012 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 34 Fuel-ups

  Property of ATFamaly

• 22.2 Avg MPG

• 2012 Terrain

  2012 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added May 2020 • 189 Fuel-ups

  Property of ggoldie4p

• 23.0 Avg MPG

• Terrain

  2012 GMC Terrain SLT 3.0L V6 FLEX Automatic 6 Speed
  Added Oct 2022 • 29 Fuel-ups

  Property of revkev18

• 20.8 Avg MPG

• 2012 GMC Terrain

  2012 GMC Terrain SLT 3.0L V6 FLEX Automatic 6 Speed Sport Utility
  Added Mar 2022 • 34 Fuel-ups

  Property of wisemanp2

• 18.9 Avg MPG

• My Terrain

  2012 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Jan 2022 • 48 Fuel-ups

  Property of lambo123

• 19.7 Avg MPG

• Terrain

  2012 GMC Terrain SLT 3.0L V6 FLEX Automatic 6 Speed
  Added Apr 2022 • 26 Fuel-ups

  Property of f55d

• 16.7 Avg MPG

• My Terrain

  2012 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Aug 2018 • 73 Fuel-ups

  Property of erik69311

• 22.9 Avg MPG

• My Terrain

  2012 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Oct 2016 • 8 Fuel-ups

  Property of CowboyCadillac

• 21.8 Avg MPG

• Terrain

  2012 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Sep 2017 • 355 Fuel-ups

  Property of jochmaster

• 20.7 Avg MPG

• Alastar

  2012 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
  Added Feb 2019 • 131 Fuel-ups

  Property of GingerSnap

• 20.5 Avg MPG

• My Terrain

  2012 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added May 2021 • 79 Fuel-ups

  Property of kona2000

• 14.9 Avg MPG

• Terrain

  2012 GMC Terrain SLT Automatic 6 Speed Sport Utility
  Added Nov 2019 • 201 Fuel-ups

  Property of jeepersheart

• 18.8 Avg MPG

• Terrain

  2012 GMC Terrain SLT 2.4L L4 FLEX Automatic 6 Speed
  Added Apr 2019 • 150 Fuel-ups

  Property of dsaale

• 20.3 Avg MPG

• 2012 Terrain

  2012 GMC Terrain SLT 3.0L V6 FLEX Automatic 6 Speed Sport Utility
  Added Dec 2020 • 78 Fuel-ups

  Property of Winpooh

• 20.4 Avg MPG

• My Terrain

  2012 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Nov 2022 • 10 Fuel-ups

  Property of jacobdhendrix

• 12.5 Avg MPG

• My Terrain

  2012 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added Sep 2021 • 17 Fuel-ups

  Property of MILESRICK

• 14.5 Avg MPG

• My Terrain

  2012 GMC Terrain SLT 3.0L V6 GAS Automatic 6 Speed
  Added Mar 2020 • 129 Fuel-ups

  Property of brichter21

• 18.3 Avg MPG

• GMC Terrain

  2012 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Jan 2018 • 543 Fuel-ups

  Property of webster18

• 24.6 Avg MPG

• My Terrain

  2012 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 259 Fuel-ups

  Property of njlay

• 20.0 Avg MPG

• 2012 GMC Terrain

  2012 GMC Terrain SLE 3.0L V6 FLEX Automatic 6 Speed
  Added Mar 2017 • 93 Fuel-ups

  Property of kthompson33

• 19.3 Avg MPG

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