Based on data from 53 vehicles, 5,234 fuel-ups and 1,628,151 miles of driving, the 2014 GMC Terrain gets a combined Avg MPG of 20.94 with a 0.12 MPG margin of error.

Any Engine Type 2.4L L4 FLEX (2) 2.4L L4 GAS (25) 3.6L V6 FLEX (8) 3.6L V6 GAS (12) H4 GAS (2) Any Body Style Sport Utility (19) Any Submodel Denali (6) SLE (22) SLT (23) Other (2)

Below you can see a distribution of the fuel-ups with 123 outliers (2.30%) removed.

Following shows the average MPG of each of the 53 vehicles in the system.

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• Saint Patrice

  2014 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed Sport Utility
  Added Nov 2017 • 143 Fuel-ups

  Property of Wipester

• 19.6 Avg MPG

• GMC Terrain

  2014 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added Jun 2021 • 62 Fuel-ups

  Property of gfkelo

• 22.8 Avg MPG

• My Terrain

  2014 GMC Terrain SLE 3.6L V6 GAS Automatic 6 Speed
  Added Apr 2021 • 283 Fuel-ups

  Property of DWGEJohnson

• 21.2 Avg MPG

• My Terrain

  2014 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed
  Added Aug 2022 • 141 Fuel-ups

  Property of jcheney1

• 19.2 Avg MPG

• Terrain

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 342 Fuel-ups

  Property of datcar

• 25.3 Avg MPG

• Momma Mobile

  2014 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2023 • 39 Fuel-ups

  Property of andmar

• 22.8 Avg MPG

• 2014 GMC Terrain

  2014 GMC Terrain SLT 2.4L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 274 Fuel-ups

  Property of Wrench01

• 23.9 Avg MPG

• Terrain

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Aug 2023 • 37 Fuel-ups

  Property of rplanansky

• 25.1 Avg MPG

• BooBooStink4

  2014 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed Sport Utility
  Added Aug 2023 • 49 Fuel-ups

  Property of SS-1

• 27.1 Avg MPG

• White Privilege

  2014 GMC Terrain Denali 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2022 • 102 Fuel-ups

  Property of darktonyll

• 17.5 Avg MPG

• F350

  2014 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed
  Added Mar 2017 • 287 Fuel-ups

  Property of wbettis

• 15.0 Avg MPG

• GMC Terrain SLE

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 184 Fuel-ups

  Property of diablosandwich

• 24.0 Avg MPG

• Stormie

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2019 • 114 Fuel-ups

  Property of rbrown86

• 25.6 Avg MPG

• Terrain

  2014 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed Sport Utility
  Added Feb 2021 • 264 Fuel-ups

  Property of nmanges

• 21.5 Avg MPG

• My Terrain

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Speed
  Added Feb 2021 • 52 Fuel-ups

  Property of suleymag

• 18.0 Avg MPG

• The Denali

  2014 GMC Terrain Denali 3.6L GAS V6 Automatic 6 Sport Utility (4 Door)
  Added Aug 2014 • 297 Fuel-ups

  Property of capmobile

• 19.6 Avg MPG

• 2014 GMC Terrain

  2014 GMC Terrain SLE 2.4L L4 GAS Automatic 6 Sport Utility (4 Door)
  Added Jan 2015 • 241 Fuel-ups

  Property of sjterhaar44

• 23.1 Avg MPG

• U-Haul Rental

  2014 GMC Terrain SLT 3.6L V6 GAS Automatic 6 Speed Sport Utility
  Added Jun 2021 • 4 Fuel-ups

  Property of pulizze

• 15.0 Avg MPG

• My Car

  2014 GMC Terrain SLT 3.6L V6 FLEX Automatic 6 Speed Sport Utility
  Added Apr 2018 • 114 Fuel-ups

  Property of MGPretired

• 18.5 Avg MPG

• My 2014 Terrian

  2014 GMC Terrain SLE 2.4L L4 FLEX Automatic 6 Speed
  Added Sep 2017 • 206 Fuel-ups

  Property of EMatthews

• 23.5 Avg MPG

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