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GMC Terrain Fuel Economy (MPG)

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GMC Terrain GMC Terrain 2020 24.4 MPG Highway Percentage 64 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2020 4dr SUV turbocharged 252hp 2.0L I4
9-speed shiftable automatic 4WD		 flat med none 0 0 40 60 80 25.662
  flat med none 0 0 40 60 80 23.069
  flat med hvy 0 0 40 60 80 25.126
  flat med none 0 0 40 60 80 23.430
  flat med none 0 0 40 60 80 23.441
  flat med hvy 0 0 40 60 80 28.008
  flat med light 0 0 40 60 80 23.547
  flat med hvy 0 0 40 60 80 25.155
  flat med none 0 0 40 60 80 20.594
  flat med hvy 0 0 40 60 80 25.905
  flat med none 0 0 40 60 80 22.586
  flat med hvy 0 0 40 60 80 25.273
  flat med light 0 0 40 60 80 24.387
  flat med hvy 0 0 0 100 80 24.579
  flat med none 0 0 40 60 80 22.923
  flat med hvy 0 0 40 60 80 25.172
  flat med none 0 0 40 60 80 23.147
  flat med none 0 0 40 60 80 23.726
  flat med hvy 0 0 40 60 80 28.075
  flat med none 0 0 40 60 80 25.208
  flat med hvy 0 0 40 60 80 26.066
  flat med none 0 0 40 60 80 22.878
  flat med none 0 0 40 60 80 27.657
  flat med hvy 0 0 40 60 80 22.813
  flat med none 0 0 40 60 80 24.202
  flat med none 0 0 40 60 80 22.881
  flat med none 0 0 40 60 80 20.579
  flat med light 0 0 40 60 80 26.170
  flat med none 0 0 40 60 80 28.765
  flat med none 0 0 40 60 80 20.536
  flat med hvy 0 0 40 60 80 25.380
  flat med hvy 0 0 0 100 80 26.271
  flat med none 0 0 40 60 80 19.947
  flat med none 0 0 40 60 80 22.736
  flat med none 0 0 30 70 80 24.815
  flat med none 0 0 40 60 80 24.140
  flat med none 0 0 40 60 80 23.746
  flat med none 0 0 40 60 80 24.609
  flat med none 0 0 5 95 80 23.903
  flat med none 0 0 40 60 80 28.364
  flat med none 0 0 40 60 80 25.928
  flat med none 0 0 40 60 80 24.944
  flat med none 0 0 40 60 80 26.313
  flat med hvy 0 0 40 60 80 25.308
  flat med none 0 0 40 60 80 23.210
  flat med none 0 0 40 60 80 23.248
  flat med hvy 0 0 40 60 80 25.473
  flat med none 0 0 40 60 80 24.389
  flat med none 0 0 40 60 80 24.001
  flat med none 0 0 40 60 80 23.081
  flat med hvy 0 0 0 100 80 27.574
  flat med none 0 0 20 80 80 24.761
  flat med none 0 0 40 60 80 23.949
  flat med hvy 0 0 40 60 80 25.364
  flat med hvy 0 0 40 60 80 25.956
  flat med none 0 0 40 60 80 24.847
  flat med hvy 0 0 0 100 80 19.658
  flat med none 0 0 40 60 80 21.515
  flat med none 0 0 40 60 80 24.433
  flat med light 0 0 40 60 80 25.793
  flat med hvy 0 0 40 60 80 26.520
  flat med none 0 0 40 60 80 21.719
  flat med hvy 0 0 40 60 80 26.354
  flat med hvy 0 0 0 100 80 26.406
  flat med none 0 0 40 60 80 22.617
  flat med none 0 0 30 70 80 24.031
  flat med light 0 0 40 60 80 24.138
  flat med none 0 0 40 60 80 22.704
  flat med none 0 0 40 60 80 21.237
  flat med light 0 0 40 60 80 25.756
  flat med hvy 0 0 40 60 80 22.773
  flat med none 0 0 40 60 80 22.076
  flat med none 0 0 40 60 80 22.421
  flat med none 0 0 40 60 80 24.945
  flat med none 0 0 40 60 80 22.774
  flat med none 0 0 40 60 80 22.601
  flat med none 0 0 40 60 80 27.840
  flat med hvy 0 0 0 100 80 25.063
  flat med none 0 0 40 60 80 23.062
  flat med hvy 0 0 40 60 80 27.627
  flat med hvy 0 0 40 60 80 27.154
  flat med light 0 0 40 60 80 24.500
  flat med hvy 0 0 40 60 80 25.553
  flat med none 0 0 40 60 80 23.148
  flat med none 0 0 40 60 80 26.189
  flat med none 0 0 40 60 80 22.276
  flat med none 0 0 30 70 80 25.597
  flat med none 0 0 40 60 80 25.608
  flat med none 0 0 40 60 80 22.801
  flat med hvy 0 0 40 60 80 23.460
  flat med none 0 0 40 60 80 25.391
  flat med none 0 0 40 60 80 23.061
  flat med none 0 0 40 60 80 23.697
  flat med hvy 0 0 40 60 80 25.440
  flat med none 0 0 40 60 80 26.489
  flat med none 0 0 40 60 80 21.357
  flat med light 0 0 40 60 80 24.164
  flat med none 0 0 40 60 80 23.829
  flat med hvy 0 0 40 60 80 26.283
  flat med none 0 0 5 95 80 23.125
  flat med light 0 0 40 60 80 25.938
  flat med none 0 0 40 60 80 24.087
  flat med none 0 0 40 60 80 23.279
  flat med none 0 0 40 60 80 21.124
  flat med none 0 0 40 60 80 22.946
  flat med light 0 0 40 60 80 25.423
  flat med none 0 0 40 60 80 21.782
  flat med none 0 0 40 60 80 23.835
  flat med none 0 0 40 60 80 27.537
  flat med light 0 0 40 60 80 25.721
  flat med none 0 0 40 60 80 26.875
  flat med none 0 0 40 60 80 24.281
  flat med none 0 0 40 60 80 21.872
  flat med none 0 0 70 30 80 25.124
  flat med hvy 0 0 40 60 80 23.511
  flat med none 0 0 40 60 80 23.154
  flat med hvy 0 0 40 60 80 25.647
  flat med none 0 0 40 60 80 25.992
  flat med none 0 0 40 60 80 25.015
  flat med hvy 0 0 0 100 80 31.019
  flat med hvy 0 0 40 60 80 26.760
  flat med none 0 0 40 60 80 23.109
  flat med hvy 0 0 40 60 80 24.634
  flat med none 0 0 40 60 80 23.680
  flat med hvy 0 0 40 60 80 25.663
  flat med hvy 0 0 0 100 80 23.387
  flat med none 0 0 40 60 80 26.397
  flat med light 0 0 40 60 80 26.144
  flat med hvy 0 0 0 100 80 25.015
  flat med none 0 0 5 95 80 21.124
  flat med none 0 0 40 60 80 24.349
  flat med none 0 0 40 60 80 25.745
  flat med hvy 0 0 40 60 80 26.266
  flat med none 0 0 40 60 80 22.895
  flat med hvy 0 0 0 100 80 24.307
  flat med none 0 0 40 60 80 22.851
  flat med light 0 0 40 60 80 24.266
  flat med light 0 0 40 60 80 26.887
  flat med none 0 0 40 60 80 20.980
  flat med light 0 0 40 60 80 25.785
  flat med hvy 0 0 40 60 80 25.337
  flat med none 0 0 40 60 80 21.899
  flat med hvy 0 0 0 100 80 25.015
  flat med none 0 0 40 60 80 23.808
  flat med light 0 0 40 60 80 25.681
  flat med none 0 0 40 60 80 25.688
  flat med none 0 0 40 60 80 23.721
  flat med none 0 0 40 60 80 24.290
  flat med none 0 0 40 60 80 25.028
  flat med none 0 0 40 60 80 23.726
  flat med none 0 0 40 60 80 20.416
  flat med light 0 0 40 60 80 24.542
  flat med none 0 0 40 60 80 21.350
  flat med none 0 0 40 60 80 23.533
  flat med none 0 0 40 60 80 22.140
  flat med hvy 0 0 40 60 80 24.827
  flat med hvy 0 0 40 60 80 24.795
  flat med none 0 0 40 60 80 23.557
  flat med none 0 0 40 60 80 21.319
  flat med none 0 0 40 60 80 23.402
  flat med none 0 0 40 60 80 23.645
  flat med light 0 0 40 60 80 25.422
  flat med light 0 0 40 60 80 23.972
  flat med none 0 0 40 60 80 26.542
  flat med hvy 0 0 40 60 80 26.924
  flat med none 0 0 40 60 80 25.191
  flat med none 0 0 40 60 80 24.548
  flat med hvy 0 0 40 60 80 25.885
  flat med none 0 0 40 60 80 23.014
  flat med none 0 0 40 60 80 22.294
  flat med hvy 0 0 40 60 80 27.017
  flat med hvy 0 0 40 60 80 28.347
  flat med hvy 0 0 40 60 80 27.094
  flat med none 0 0 0 100 80 25.851
  flat med none 0 0 40 60 80 21.243
  flat med none 0 0 40 60 80 21.610
  flat med hvy 0 0 40 60 80 26.802
  flat med none 0 0 40 60 80 22.713
  flat med none 0 0 0 100 80 25.887
  flat med none 0 0 40 60 80 24.473
  flat med none 0 0 40 60 80 22.058
2020 4dr SUV turbocharged 252hp 2.0L I4
9-speed shiftable automatic 4WD		 flat med none 0 0 36 64 80 24.4  
  Averages flat med none 0 0 36 64 80 24.4
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, 2020 GMC Terrain fuel economy has been averaging 24.4 MPG (miles per gallon).

The 2020 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 64 percent of the miles driven). The rest of the miles were in the suburbs (36 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2020 GMC Terrain in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2016 23.3 MPG Highway Percentage 96 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2016 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic AWD		 flat med hvy 0 0 0 100 74 25.300
  mtns med light 0 0 2 98 81 21.600
  flat med none 5 20 0 75 68 17.000
  mtns med light 0 0 0 100 68 23.400
  mtns med none 0 0 0 100 62 24.600
  flat med none 0 0 0 100 68 23.600
  flat med none 5 20 0 75 68 20.600
  flat med light 0 0 0 100 68 23.100
  flat med none 0 2 0 98 68 25.100
  flat med none 0 0 0 100 68 25.800
  flat med none 0 0 5 95 68 20.900
  flat med none 0 0 0 100 68 25.100
  mtns med none 0 0 0 100 68 24.200
  flat med light 0 0 2 98 74 23.100
  flat med none 0 0 5 95 68 24.700
  flat med light 0 2 0 98 68 24.500
2016 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic AWD		 hills med none 1 3 1 96 69 23.3  
  Averages hills med none 1 3 1 96 69 23.3
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, the 2016 GMC Terrain has been averaging 23.3 MPG (miles per gallon).

The 2016 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 69 miles per hour (about 96 percent of the miles driven). The rest of the miles were in the city (3 percent), in heavy traffic (1 percent), and in the suburbs (1 percent).

In addition the average 2016 GMC Terrain in this analysis was driven on hilly terrain with a medium foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2014 27.1 MPG Highway Percentage 100 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2014 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat light none 0 0 0 100 55 27.333
  flat light none 0 0 0 100 45 26.923
2014 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic FWD		 flat light none 0 0 0 100 50 27.1  
  Averages flat light none 0 0 0 100 50 27.1
With the 301-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2014 GMC Terrain gas mileage has been averaging 27.1 MPG (miles per gallon).

The 2014 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 50 miles per hour (about 100 percent of the miles driven). The rest of the miles were in heavy traffic (0 percent), in the suburbs (0 percent), and in the city (0 percent).

In addition the average 2014 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2013 16.4 MPG Highway Percentage 5 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2013 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic AWD		 flat light hvy 10 10 75 5 50 16.400
2013 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic AWD		 flat light hvy 10 10 75 5 50 16.4  
  Averages flat light hvy 10 10 75 5 50 16.4
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, 2013 GMC Terrain fuel economy has been averaging 16.4 MPG (miles per gallon).

The 2013 GMC Terrains in this analysis were driven mostly in the suburbs (about 75 percent of the miles driven). The rest of the miles were in heavy traffic (10 percent), in the city (10 percent), and on the highway at an average speed of 50 miles per hour (5 percent).

In addition the average 2013 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.
 
GMC Terrain GMC Terrain 2013 24.0 MPG Highway Percentage 37 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2013 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light light 7 19 37 37 60 24.000
2013 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light light 7 19 37 37 60 24.0  
  Averages flat light light 7 19 37 37 60 24.0
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2013 GMC Terrain has been averaging 24.0 MPG (miles per gallon).

The 2013 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 37 percent of the miles driven). The rest of the miles were in the suburbs (37 percent), in the city (19 percent), and in heavy traffic (7 percent).

In addition the average 2013 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
GMC Terrain GMC Terrain 2012 17.8 MPG Highway Percentage 33 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 flat light none 5 25 45 25 65 17.687
  flat med none 0 0 60 40 50 18.000
2012 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 flat med none 3 13 53 33 58 17.8  
  Averages flat med none 3 13 53 33 58 17.8
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, 2012 GMC Terrain gas mileage has been averaging 17.8 MPG (miles per gallon).

The 2012 GMC Terrains in this analysis were driven mostly in the suburbs (about 53 percent of the miles driven). The rest of the miles were on the highway at an average speed of 58 miles per hour (33 percent), in the city (13 percent), and in heavy traffic (3 percent).

In addition the average 2012 GMC Terrain in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2012 21.5 MPG Highway Percentage 60 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light none 5 15 20 60 70 21.500
2012 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light none 5 15 20 60 70 21.5  
  Averages flat light none 5 15 20 60 70 21.5
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2012 GMC Terrain fuel economy has been averaging 21.5 MPG (miles per gallon).

The 2012 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 60 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in the city (15 percent), and in heavy traffic (5 percent).

In addition the average 2012 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2012 24.5 MPG Highway Percentage 90 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat med light 0 5 5 90 62 23.700
  flat med light 0 5 5 90 62 25.300
2012 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat med light 0 5 5 90 62 24.5  
  Averages flat med light 0 5 5 90 62 24.5
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2012 GMC Terrain has been averaging 24.5 MPG (miles per gallon).

The 2012 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 62 miles per hour (about 90 percent of the miles driven). The rest of the miles were in the city (5 percent), in the suburbs (5 percent), and in heavy traffic (0 percent).

In addition the average 2012 GMC Terrain in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
GMC Terrain GMC Terrain 2011 25.6 MPG Highway Percentage 92 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 hills light light 1 2 5 92 68 25.600
2011 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 hills light light 1 2 5 92 68 25.6  
  Averages hills light light 1 2 5 92 68 25.6
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, 2011 GMC Terrain gas mileage has been averaging 25.6 MPG (miles per gallon).

The 2011 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 92 percent of the miles driven). The rest of the miles were in the suburbs (5 percent), in the city (2 percent), and in heavy traffic (1 percent).

In addition the average 2011 GMC Terrain in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time.
 
GMC Terrain GMC Terrain 2011 20.3 MPG Highway Percentage 30 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic FWD		 flat light none 0 0 70 30 75 21.500
  flat light none 0 0 70 30 75 19.000
2011 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic FWD		 flat light none 0 0 70 30 75 20.3  
  Averages flat light none 0 0 70 30 75 20.3
With the 301-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2011 GMC Terrain fuel economy has been averaging 20.3 MPG (miles per gallon).

The 2011 GMC Terrains in this analysis were driven mostly in the suburbs (about 70 percent of the miles driven). The rest of the miles were on the highway at an average speed of 75 miles per hour (30 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2011 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2011 23.8 MPG Highway Percentage 49 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat med none 0 0 4 96 60 26.000
  flat v.lt none 0 0 3 97 55 26.100
  hills light none 0 0 1 99 70 31.034
  flat med none 1 10 30 59 60 22.439
  flat med hvy 0 0 50 50 75 18.700
  hills light none 5 30 50 15 70 24.431
  flat light none 10 40 30 20 65 25.209
  flat med none 25 25 10 40 75 23.200
  flat light none 0 0 80 20 70 22.600
  flat light none 0 25 70 5 65 23.538
  flat med hvy 0 0 50 50 75 16.900
  flat light none 5 5 5 85 60 26.900
  flat light light 15 25 25 35 70 25.000
  flat med light 25 13 0 63 60 25.000
  flat light hvy 0 25 25 50 65 27.100
  flat light light 0 5 90 5 37 16.800
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light none 5 13 33 49 65 23.8  
  Averages flat light none 5 13 33 49 65 23.8
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2011 GMC Terrain has been averaging 23.8 MPG (miles per gallon).

The 2011 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 49 percent of the miles driven). The rest of the miles were in the suburbs (33 percent), in the city (13 percent), and in heavy traffic (5 percent).

In addition the average 2011 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2011 20.4 MPG Highway Percentage 40 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat light none 0 0 90 10 65 20.500
  flat light hvy 30 40 20 10 65 18.000
  flat v.lt hvy 30 40 20 10 65 18.500
  flat med none 0 50 0 50 70 23.100
  flat med none 0 25 25 50 75 20.100
  flat med none 5 10 10 75 55 19.600
  flat light none 0 30 5 65 62 21.600
  flat v.lt light 10 30 10 50 70 21.700
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat light none 9 28 23 40 66 20.4  
  Averages flat light none 9 28 23 40 66 20.4
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and all-wheel drive, 2011 GMC Terrain gas mileage has been averaging 20.4 MPG (miles per gallon).

The 2011 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 40 percent of the miles driven). The rest of the miles were in the city (28 percent), in the suburbs (23 percent), and in heavy traffic (9 percent).

In addition the average 2011 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2010 20.4 MPG Highway Percentage 57 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 flat light none 0 0 25 75 74 21.000
  flat light none 0 0 50 50 56 19.300
  flat med none 10 30 10 50 74 19.900
  hills med light 0 0 50 50 60 18.700
  hills light none 0 0 39 61 55 23.000
2010 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 flat light none 2 6 35 57 64 20.4  
  Averages flat light none 2 6 35 57 64 20.4
With the turbocharged 252hp 2.0L I4 engine, 9-speed shiftable automatic transmission, and four-wheel drive, 2010 GMC Terrain fuel economy has been averaging 20.4 MPG (miles per gallon).

The 2010 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 57 percent of the miles driven). The rest of the miles were in the suburbs (35 percent), in the city (6 percent), and in heavy traffic (2 percent).

In addition the average 2010 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
GMC Terrain GMC Terrain 2010 21.0 MPG Highway Percentage 41 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic FWD		 flat light light 0 0 0 100 70 27.869
  flat light hvy 0 0 0 100 70 26.393
  hills light light 0 15 35 50 55 23.636
  flat med hvy 0 0 50 50 70 21.600
  flat med hvy 10 10 70 10 60 17.200
  flat med none 0 0 100 0 N/A 18.200
  flat light hvy 0 0 0 100 65 25.819
  flat med none 40 0 40 20 60 18.600
  flat med none 10 10 80 0 N/A 17.381
  flat med none 10 10 60 20 60 17.200
  flat med hvy 0 0 100 0 N/A 17.600
2010 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic FWD		 flat med light 6 4 49 41 64 21.0  
  Averages flat med light 6 4 49 41 64 21.0
With the 301-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2010 GMC Terrain has been averaging 21.0 MPG (miles per gallon).

The 2010 GMC Terrains in this analysis were driven mostly in the suburbs (about 49 percent of the miles driven). The rest of the miles were on the highway at an average speed of 64 miles per hour (41 percent), in heavy traffic (6 percent), and in the city (4 percent).

In addition the average 2010 GMC Terrain in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
GMC Terrain GMC Terrain 2010 25.7 MPG Highway Percentage 78 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light none 5 10 65 20 70 24.700
  flat light none 2 3 2 93 62 23.200
  flat light none 20 10 10 60 65 27.500
  flat light hvy 3 10 10 77 70 28.500
  flat light none 10 20 50 20 60 21.700
  flat light hvy 2 3 2 93 68 23.500
  flat light none 2 3 2 93 68 24.900
  flat light none 2 3 2 93 68 23.000
  flat light hvy 25 15 10 50 65 28.300
  flat light hvy 2 3 2 93 68 23.800
  flat light none 2 3 2 93 68 28.600
  flat light none 2 3 2 93 68 23.800
  flat light hvy 2 3 2 93 68 23.000
  flat light none 2 3 2 93 68 26.900
  flat light hvy 2 3 2 93 68 25.700
  flat light hvy 2 3 2 93 68 22.900
  flat light none 2 3 2 93 62 23.200
  flat light hvy 2 3 2 93 68 25.800
  flat light hvy 2 3 2 93 68 24.200
  flat light none 0 15 10 75 70 29.418
  flat light none 10 10 40 40 65 30.300
  flat light hvy 25 15 10 50 65 28.700
  flat light none 0 15 10 75 70 30.200
  flat light light 20 20 10 50 65 28.700
  flat light hvy 0 20 30 50 65 21.000
  flat light hvy 2 3 2 93 68 24.000
  flat light none 2 3 2 93 68 24.500
  flat light none 2 3 2 93 68 23.900
  hills light light 0 10 30 60 65 30.900
  flat light none 2 5 3 90 74 25.700
  flat light hvy 0 5 0 95 62 26.100
  flat light none 2 3 2 93 68 25.000
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 flat light light 5 7 10 78 67 25.7  
  Averages flat light light 5 7 10 78 67 25.7
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2010 GMC Terrain gas mileage has been averaging 25.7 MPG (miles per gallon).

The 2010 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 78 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in the city (7 percent), and in heavy traffic (5 percent).

In addition the average 2010 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
GMC Terrain GMC Terrain 2010 24.5 MPG Highway Percentage 79 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat v.lt none 0 20 0 80 56 21.000
  flat light none 20 0 5 75 62 24.200
  flat v.lt none 0 0 5 95 62 22.400
  hills med light 10 20 20 50 74 25.800
  flat light light 0 0 5 95 60 29.000
  flat v.lt none 0 0 20 80 65 25.000
  flat v.lt none 0 20 0 80 68 24.200
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 flat light none 4 9 8 79 64 24.5  
  Averages flat light none 4 9 8 79 64 24.5
With the 182-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and all-wheel drive, 2010 GMC Terrain fuel economy has been averaging 24.5 MPG (miles per gallon).

The 2010 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 79 percent of the miles driven). The rest of the miles were in the city (9 percent), in the suburbs (8 percent), and in heavy traffic (4 percent).

In addition the average 2010 GMC Terrain in this analysis was driven on flat terrain with a light foot and the AC not used at all.

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What Our Members Are Saying about the Real Gas Mileage of the 2010 GMC Terrain

2010 GMC Terrain Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 Compared to our current vehicle, we estimated approx. $75/month in fuel savings. see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 29 highway is good for a vehicle of this size see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 awesome, average is 7.5 liters/100 kms see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 Fuel economy was a big factor in purchase decision. Real world mileage not really close to 32 epa rating, but still pretty decent for a big, comfy station wagon-esque vehicle. see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 Main reason for purchasing was we wanted a vehicle that was AWD, could tow small loads and would get reasonable fule mileage. see full GMC Terrain review
2010 GMC Terrain Real Gas Mileage: Cons
YearBody/PowertrainComment
2011 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic AWD		 We are getting about 14 miles to the gallon. Worst 3.0 litter i have ever owned see full GMC Terrain review
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 doesnt get near what they say it will get. worse then the last 2.4 I-4 engine I had.(2006 HHR) see full GMC Terrain review
2011 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 You get 32 mph/gal ONLY if you set the cruze and stay at or below 55mph. see full GMC Terrain review
2010 4dr SUV 264-horsepower 3.0L V6
6-speed shiftable automatic FWD		 Have less than 500 miles on vehicle and just got 24 mpg on highway with cruise set at 68. see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic FWD		 Vehicle doesn't come close to 32 mpg highway spec. Average is 26-27 mpg. Big disappointment given the marketing of the vehicle. see full GMC Terrain review
2010 4dr SUV 182-horsepower 2.4L I4
6-speed shiftable automatic AWD		 First trip fuel mileage 618 km on 65 liters of fuel. Terrian has 30000 KM on it. Trip was driven at 100 KM very little idle time. see full GMC Terrain review
 

GMC Terrain Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the GMC Terrain's real-world MPG based on how and where you drive a car.