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GMC Terrain MPG

MPG Number of Vehicles
17 miles per gallon 3 vehicles
18 miles per gallon 2 vehicles
19 miles per gallon 3 vehicles
20 miles per gallon 1 vehicles
21 miles per gallon 3 vehicles
22 miles per gallon 3 vehicles
23 miles per gallon 6 vehicles
24 miles per gallon 9 vehicles
25 miles per gallon 5 vehicles
26 miles per gallon 7 vehicles
27 miles per gallon 1 vehicles
28 miles per gallon 3 vehicles
29 miles per gallon 6 vehicles
30 miles per gallon 2 vehicles
31 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2010 2010 4dr SUV 301-hp 3.6L V6 6-sp shiftable automatic AWD 20.38
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With the 301-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2010 GMC Terrain has been averaging 20.38 MPG (miles per gallon).

The 2010 GMC Terrains in this analysis were driven mostly on the highway at an average speed of 89 miles per hour (about 57.2 percent of the miles driven). The rest of the miles were in the city (6 percent), in heavy traffic (2 percent), and in the suburbs (0 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.
2010 2010 4dr SUV 301-hp 3.6L V6 6-sp shiftable automatic FWD 21.05
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2010 2010 4dr SUV 182-hp 2.4L I4 6-sp shiftable automatic AWD 24.51
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2010 2010 4dr SUV 182-hp 2.4L I4 6-sp shiftable automatic FWD 25.68
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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 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 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
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 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
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 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
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
 

2010 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.