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NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

2014 GMC Terrain Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 301 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH46 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2014 GMC Terrain receives a 5/10 MazicBay Reliability Index based on 301 verified NHTSA federal complaints and 2 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 50,249 miles (IQR: 2,00082,500 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .

2014 GMC TerrainNear-Luxury2014
DLC Port: Driver footwell directly above brake pedal

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
5 / 10

35.4 complaints / 10k sold

NHTSA Owner Complaints
301

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
2

2 Active / Free Remedies

Switch Terrain Model Year (2014–2025)
NHTSA Defect Subsystem Breakdown

2014 Terrain Failure Distribution by Vehicle Subsystem

100% Normalized Telemetry
38%26%16%12%
Engine & Powertrain:38%
Electrical & Sensors:26%
Steering & Suspension:16%
Brakes & ABS Hydraulics:12%
Airbags & Body Structure:8%
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ENGINE & COOLINGCritical Severity89% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

142
Federal Complaints
Failure Mileage (Median):50,249 milesIQR: 2,00082,500 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11718808 • Filed: 02/18/2026Odometer: 3,000 mi

My husband just did an at home oil change on the car not long before the incident. Unfortunately my car was barely under 3,000 miles since the oil change and we were going to change the oil again when my engine died mid drive on the way home. There was no oil in the car due to...

ODI #11675197 • Filed: 07/21/2025

I purchased this in March of 2025. 2 or 3 weeks after I bought this I took it to an oil lube shop and they said there was not any oil on the.dip stick. Also I started noticing the car being jerky while driving and when shutting it off it sputters. I took it to Max motors, a GM...

ODI #11673778 • Filed: 07/15/2025

The contact owns a 2014 GMC Terrain. The contact stated that while driving 50 MPH, the vehicle started jerking and hesitating abnormally. A dealer was contacted. The vehicle was towed to a dealer, where it was diagnosed and determined that the piston rings were damaged, the hi...

#2 TRANSMISSION & DRIVETRAINHigh Severity78% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

55
Federal Complaints
Failure Mileage (Median):40,000 milesIQR: 3,00066,000 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11670432 • Filed: 07/01/2025

Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC...

ODI #11651372 • Filed: 03/28/2025Odometer: 1,000 mi

Vehicle is consuming excessive amount of oil in short drive time up to 3qt in less than 1000 miles. With no oil leaks. Vehicle only has 139840 miles. Has regular oil changes and services done.

ODI #11571424 • Filed: 02/12/2024

I have a 2014 GMC Terrain with less than 70k miles on the vehicle. I took the truck to the mechanic and was advised the power belts were no good. Why is this? The truck has no mileage on it basically for a 2014, I have a 2011 Chevy with more miles than this truck and its power...

#3 ELECTRICAL SYSTEM & BATTERYCritical Severity85% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

39
Federal Complaints
Failure Mileage (Median):51,500 milesIQR: 27,25075,750 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11682242 • Filed: 08/21/2025

ABS Brake problem and have tried to get it repaired for over 3 months and cannot seem to be able to get the part and call GM with no help. Can not tell me when or where to buy the part. Nobody seems to be able to get a new part and no help from GM. If there is this many proble...

ODI #11670432 • Filed: 07/01/2025

Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC...

ODI #11585368 • Filed: 04/26/2024

The contact owns a 2014 GMC Terrain. The contact stated that the vehicle failed to start, and the steering wheel was locked. A tow truck driver was able to start the vehicle after several attempts. There was no warning light illuminated. The contact was able to drive to the re...

#4 BRAKING SYSTEM & ABSMedium Severity72% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

22
Federal Complaints
Failure Mileage (Median):3,000 milesIQR: 3,00044,000 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11718808 • Filed: 02/18/2026Odometer: 3,000 mi

My husband just did an at home oil change on the car not long before the incident. Unfortunately my car was barely under 3,000 miles since the oil change and we were going to change the oil again when my engine died mid drive on the way home. There was no oil in the car due to...

ODI #11682242 • Filed: 08/21/2025

ABS Brake problem and have tried to get it repaired for over 3 months and cannot seem to be able to get the part and call GM with no help. Can not tell me when or where to buy the part. Nobody seems to be able to get a new part and no help from GM. If there is this many proble...

ODI #11506408 • Filed: 02/09/2023

My check engine light would come on, the oil dipstick would be dry and multiple misfire codes happened. This went on multiple times because of oil consumption. I would pull over and call AAA to tow my car. Driving while the oil is low is damaging parts in my car, causing loss ...

#5 STEERING & SUSPENSIONCritical Severity67% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

19
Federal Complaints
Failure Mileage (Median):44,000 milesIQR: 3,00093,500 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11621543 • Filed: 10/23/2024

The contact owns a 2014 GMC Terrain. The contact stated while at a complete stop at a red light, the doors were making locking and unlocking sounds. The contact stated upon depressing the accelerator pedal to resume driving, the vehicle failed to exceed 25 MPH. The messages "S...

ODI #11585368 • Filed: 04/26/2024

The contact owns a 2014 GMC Terrain. The contact stated that the vehicle failed to start, and the steering wheel was locked. A tow truck driver was able to start the vehicle after several attempts. There was no warning light illuminated. The contact was able to drive to the re...

ODI #11500437 • Filed: 01/06/2023

On December 26, 2022, my son and I were on our way to Indianapolis, Indiana from Anderson, Indiana. When we were about to the end of going through Ingalls, I noticed that my check engine light went off. I pulled over within 3 to 5 miles within notification of my engine light g...

#6 AIRBAGS & SAFETY RESTRAINTSCritical Severity86% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

12
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11541344 • Filed: 08/29/2023

The contact owned a 2014 GMC Terrain. The contact stated that while stopped at a red light a vehicle one rear-ended the vehicle. This caused the contact to crash into in front of her. The air bags did not deploy. A police report was filed. The vehicle was towed to an impound l...

ODI #11463700 • Filed: 05/07/2022

None of the Airbags deployed in my 2014 GMC TERRIAN when I was in an accident.was struck very hard on rear passenger side spun around and hit a tree head one.

ODI #11461745 • Filed: 04/22/2022

I was in a pretty nasty single vehicle accident. I had my seatbelt on and it DID NOT LOCK on impact as should. It was like I didn’t even have a seatbelt on. I had free range of motion which meant I was pretty much just being bounced around with the airbags and could of went th...

#7 FUEL SYSTEM & INJECTIONMedium Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

6
Federal Complaints
Failure Mileage (Median):60,000 milesIQR: 60,00060,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11675197 • Filed: 07/21/2025

I purchased this in March of 2025. 2 or 3 weeks after I bought this I took it to an oil lube shop and they said there was not any oil on the.dip stick. Also I started noticing the car being jerky while driving and when shutting it off it sputters. I took it to Max motors, a GM...

ODI #11673778 • Filed: 07/15/2025

The contact owns a 2014 GMC Terrain. The contact stated that while driving 50 MPH, the vehicle started jerking and hesitating abnormally. A dealer was contacted. The vehicle was towed to a dealer, where it was diagnosed and determined that the piston rings were damaged, the hi...

ODI #11670432 • Filed: 07/01/2025

Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC...

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #22V137000Reported: 08/03/2022

EXTERIOR LIGHTING:HEADLIGHTS

Summary: 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."

Safety Consequence: The bright reflection may cause a glare for other drivers, reducing their visibility and increasing the risk of a crash.
Manufacturer Remedy: Dealers will install headlamp appliques, free of charge. Owner notification letters were mailed September 8, 2022. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is N222363740.
NHTSA Campaign #22V165000Reported: 17/03/2022

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

Summary: General Motors, LLC (GM) is recalling certain 2014-2015 Chevrolet Equinox and GMC Terrain vehicles. The ball joints in the windshield wiper module may corrode, causing one or both windshield wipers to fail.

Safety Consequence: Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the risk of a crash.
Manufacturer Remedy: Dealers will inspect the wiper module, and repair or replace it as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed on April 21, 2022. Owner notification letters were mailed on October 25, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020 and GMC customer service at 1-800-462-8782. GM's number for this recall is N212352530.

Pre-Purchase Inspection Checklist for 2014 GMC Terrain

Before purchasing a used 2014 GMC Terrain, perform the following targeted inspections based on reported federal defect patterns:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.

3. Federal Recall Completion Check

Verify that all 2 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

Defect & Reliability Q&A: 2014 GMC Terrain

Is the 2014 GMC Terrain a reliable used car?

The 2014 GMC Terrain earns a 5/10 MazicBay Reliability Index based on 301 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.

What is the most frequent defect reported on the 2014 GMC Terrain?

The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 50,249 miles (IQR: 2,00082,500 mi).

Are there free recall repairs available for the 2014 GMC Terrain?

Yes, the NHTSA records 2 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.

2014 GMC Terrain Owner Maintenance & Equipment CenterVerified battery BCI group sizes, oil sump capacities, and tested scan tools.
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