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GMC Terrain Fuel Economy Data

4dr SUV 301-hp 3.6L V6 6-sp shiftable automatic AWD

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
flat med none 0 0 0 100 68 23.600
flat med light 0 0 0 100 68 23.100
flat med none 5 20 0 75 68 20.600
flat med none 0 2 0 98 68 25.100
flat med none 0 0 0 100 68 25.800
mtns med light 0 0 2 98 81 21.600
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mtns med none 0 0 0 100 62 24.600
mtns med none 0 0 0 100 68 24.200
flat med none 0 0 0 100 68 25.100
mtns med light 0 0 0 100 68 23.400
flat med none 5 20 0 75 68 17.000
flat med none 0 0 5 95 68 20.900
flat med light 0 0 2 98 74 23.100
flat med light 0 2 0 98 68 24.500
flat med none 0 0 5 95 68 24.700
flat med hvy 0 0 0 100 74 25.300

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What Our Members Are Saying about the Real Gas Mileage of the 2016 GMC Terrain

2016 GMC Terrain Real Gas Mileage: Cons
YearBody/PowertrainComment
2015 4dr SUV 301-horsepower 3.6L V6
6-speed shiftable automatic AWD		 Fuel economy, for a vehicle over 4,000lbs, and a 300hp V6 engine, is going to be low. But at between 15-18mpg, for suburban driving, it seems a bit low. I wanted to the V6 so it would not struggle, and I did that knowing the MPG's were not great, but I hoped it would be better on the highway. What I found most disappointing, was that with the V6, you don't get an "economy" switch. The 4 cylinder version does, but not the V6. Why does this matter? Because with a V6, with much more power than a 4 cylinder, using economy mode would not feel bad. On the Terrain, with the 4 cylinder you are starting with less, so taking away from less isn't alwyas good. But taking away from the V6, would not be as impacting. see full GMC Terrain review
 

2016 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.