2012 GMC Terrain Problems

High Complaint Volume

Real NHTSA owner complaints for the 2012 GMC Terrain.

20112013
Complaints
498
Crashes
30
Fires
12
Injuries
34
Fatalities
Recalls
4

Worst 2012 GMC Terrain Problems

Top 3 most-reported issues with average mileage at failure.

#1168 complaints

Engine Problems

Avg mileage:96,845 mi
Crash-related:1
Fires:3
#274 complaints

Wipers & Visibility

Avg mileage:121,175 mi
#337 complaints

Transmission / Drivetrain

Avg mileage:79,615 mi
Fires:2
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All Problems by Category

Every NHTSA complaint category for the 2012 GMC Terrain.

Engine Problems
168
complaints
Crashes
1
Fires
3
Avg Miles
96,845
Wipers & Visibility
74
complaints
Crashes
Fires
Avg Miles
121,175
Transmission / Drivetrain
37
complaints
Crashes
Fires
2
Avg Miles
79,615
Electrical Faults
30
complaints
Crashes
1
Fires
1
Avg Miles
76,826
Fuel System
27
complaints
Crashes
Fires
Avg Miles
82,943
Airbags
25
complaints
Crashes
17
Fires
1
Avg Miles
80,522
Electronic Stability Control
13
complaints
Crashes
Fires
Avg Miles
63,147
Unintended Acceleration
11
complaints
Crashes
1
Fires
1
Avg Miles
70,238
Headlight/Taillight Failures
10
complaints
Crashes
Fires
1
Avg Miles
29,992
Seat Belt Issues
9
complaints
Crashes
2
Fires
1
Avg Miles
91,128
Steering Defects
7
complaints
Crashes
Fires
Avg Miles
42,400
Body Structure
7
complaints
Crashes
3
Fires
Avg Miles
65,870
Brakes
5
complaints
Crashes
1
Fires
Avg Miles
70,985
Visibility:Windshield Wiper/Washer:Motor
5
complaints
Crashes
Fires
Avg Miles
97,960
Wheel Issues
5
complaints
Crashes
Fires
Avg Miles
48,436
Seat-Related Issues
4
complaints
Crashes
Fires
Avg Miles
Suspension Failures
4
complaints
Crashes
2
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
2
complaints
Crashes
Fires
Avg Miles
Structural Problems
2
complaints
Crashes
Fires
Avg Miles
Structure:Body:Hatchback/Liftgate
2
complaints
Crashes
Fires
Avg Miles
Backup Camera
1
complaints
Crashes
Fires
Avg Miles
Back Over Prevention: Rearview System Braking
1
complaints
Crashes
Fires
Avg Miles
Electrical System:12v/24v/48v Battery
1
complaints
Crashes
Fires
Avg Miles
Electrical System:Ignition:Switch
1
complaints
Crashes
Fires
Avg Miles
Engine & Cooling
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System:Emission Control:Crankcase (Pcv)
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe
1
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Automatic Emergency Braking
1
complaints
Crashes
Fires
Avg Miles
Fuel Pump
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2012 GMC Terrain. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2012 GMC Terrain

4 NHTSA recall campaigns affecting ~1,197,245 vehicles.

22V137000Exterior Lighting:headlights
~740,581 affected

General Motors, LLC (GM) is recalling certain 2010-2017 GMC Terrain vehicles. A reflection caused by the headlight housings may illuminate areas above the vehicle and outside of the driver's view with excessively bright light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

16V502000Electrical System:ignition · Power Train:automatic Transmission:control Module (tcm/pcm/tecm)
~8,367 affected

General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmission being in PARK. Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano, 2011-2016 Chevrolet Cruze, 2010-2013 Chevrolet Equinox 2013-2015 Chevrolet Malibu, and 2011-2013 GMC Terrain vehicles may have been serviced with similar defective replacement electronic park lock levers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."

14V447000Seats:front Assembly:power Adjust
~414,333 affected

General Motors LLC (GM) is recalling certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats. In the affected vehicles, the bolt that secures the driver's and passenger's power front seat height adjuster may fall out causing the seat to drop suddenly to the lowest vertical position.

11V511000Tires:pressure Monitoring And Regulating Systems
~33,964 affected

GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2012 CHEVROLET EQUINOX AND GMC TERRAIN VEHICLES, MANUFACTURED FROM JULY 18, 2011, THROUGH SEPTEMBER 6, 2011, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NUMBER 138, "TIRE PRESSURE MONITORING SYSTEM" (TPMS). THE TIRE PRESSURE MONITORING SYSTEM IS DESIGNED TO ILLUMINATE THE TIRE PRESSURE WARNING LIGHT WHEN THE PRESSURE IN A TIRE IS 25% BELOW THE RECOMMENDED COLD TIRE PRESSURE. ON THESE VEHICLES, THE LIGHT WILL NOT ILLUMINATE UNTIL THE TIRE PRESSURE IS MORE THAN 25% BELOW THE RECOMMENDED COLD TIRE PRESSURE.

Other GMC Terrain Years

2012 GMC Terrain — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2012 GMC Terrain reliable?
Verdict: High Complaint Volume. The 2012 GMC Terrain has 498 NHTSA complaints, 30 crash-related, and 4 recall campaigns. The most common issue is Engine Problems with 168 complaints. Source: NHTSA via VinItel.
What are common problems with the 2012 GMC Terrain?
Top reported problems: Engine Problems (168 complaints, avg 96,845 mi); Wipers & Visibility (74 complaints, avg 121,175 mi); Transmission / Drivetrain (37 complaints, avg 79,615 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2012 GMC Terrain?
The weighted average mileage at time of complaint is about 90,758 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2012 GMC Terrain?
NHTSA complaints for the 2012 GMC Terrain include 30 crash-related reports, 12 fire reports, 34 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2012 GMC Terrain have any recalls?
Yes — 4 NHTSA recall campaigns affecting an estimated 1,197,245 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2012 GMC Terrain?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (engine problems) and verify open recalls have been addressed.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full GMC Terrain reliability report with year-by-year comparison and generation analysis.

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