2012 GMC Terrain GMC Terrain 2012

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2012 GMC Terrain repairs by problem area

Engine (35%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (3%)

Suspension and Steering (15%)

Electrical and Air Conditioning (20%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (8%)

Chart based on 40 repairs.
See TSBs and recalls for the 2012 GMC Terrain.

2012 GMC Terrain engine repair cost distribution

$2500+ (8%)

$1000 - $2499 (8%)

$500 - $999 (0%)

$100 - $499 (17%)

< $100 (67%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 12 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2012 GMC Terrain 4dr SUV

264-horsepower 3.0L V6 6-speed shiftable automatic AWD

35000 mi Air Intake was loose allowing for lean condition causing power loss Key would not turn in ignition 
46500 mi

$1300
Coolant leak was found during service. Replaced the water pump. 
22700 mi First trip to the dealer they did the de-carbonization, then on the second trip and 1 week in the shop they found excess carbon buildup on the intake valves and have replaced 3 injectors, added fuel treatment and recommended the top tier gasoline to us. 
75000 mi

US $250
Check engine light.stabilitrac needs service, reduced engine power' displays all at same time. Turn car off. Wait. Then on. Just engine lite. Code is P0191. Replaced fuel rail pressure sensor. 
83700 mi Leaking. Water pump bad. Covered under the 100k powertrain warranty! 

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2012 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

64000 mi

US $198
Air sensor and battery replaced 
46860 mi Timing chain and tensioner assy 
45000 mi

US $5000
TOTAL ENGINE REBUILD. RINGS, TIMING CHAIN, SEALS, ETC. TOTAL ENGINE REBUILD. RINGS, TIMING CHAIN, SEALS, ETC. 
11600 mi OLM software reset 

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2012 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

10540 mi Oct. 2012 Engine was replaced due to defect.(using oil). Under warranty. Before this repair was performed, vehicle worked perfectly, excellent performance. Once repair was done, vehicle worked terrible,poor fuel mileage, engine sputter etc. 
75620 mi Ex solenoid replacement. Check engine light on. 
35000 mi Actuators, lower solenoids, timing chain, seals, replaced. Oil flushed. Timing chain lost durability making it loose. 

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See TrueDelta's information for all SUVs
See TrueDelta's information for all GMC models.

2012 GMC Terrain Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2012 GMC Terrain problems occur, check out our car reliability stats.