2012 GMC Terrain

SUV Flex Fuel
GMC Terrain 2012
26MPG Combined
8 Trims
← 2011 2012 2013 →
Updated February 27, 2026

The 2012 GMC Terrain SUV provides 19–26 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2012 GMC Terrain Specifications

SpecValue
Combined MPG19–26 combined MPG depending on trim
City MPG22
Highway MPG31
Body StyleSUV
Fuel TypeFlex Fuel
DriveAWD
Available Trims8

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto20/28/232.4L 4cylAutomatic 6-spd
Auto16/23/193.0L 6cylAutomatic 6-spd
Auto16/23/193.0L 6cylAutomatic 6-spd
Auto20/28/232.4L 4cylAutomatic 6-spd
Auto17/24/203.0L 6cylAutomatic 6-spd
Auto22/31/262.4L 4cylAutomatic 6-spd
Auto17/24/203.0L 6cylAutomatic 6-spd
Auto22/31/262.4L 4cylAutomatic 6-spd

Annual Fuel Cost

Based on EPA estimates, the 2012 GMC Terrain costs approximately $2,025 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2012 GMC Terrain

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