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NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

2016 GMC Terrain Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 152 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH25 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2016 GMC Terrain receives a 6.1/10 MazicBay Reliability Index based on 152 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 42,032 miles (IQR: 24,29271,204 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .

2016 GMC TerrainNear-Luxury2016
DLC Port: Driver footwell directly above brake pedal

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

MazicBay Reliability Index
6.1 / 10

17.9 complaints / 10k sold

NHTSA Owner Complaints
152

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

2016 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 & COOLINGHigh Severity86% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

53
Federal Complaints
Failure Mileage (Median):42,032 milesIQR: 24,29271,204 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 #11756995 • Filed: 08/14/2026Odometer: 101,000 mi

The timing chain snapped and caused the engine to seize on our 2016 GMC Terrain 2.4L SLC-1 SUV/Truck. Since this has occurred multiple times on the 2.4L engines in this model from 2012 - 2016, we believe that there should be a recall as this issue could cause a major accident ...

ODI #11742386 • Filed: 06/05/2026Odometer: 69,939 mi

My 2016 GMC Terrain 2.4L Ecotec first stalled while idling at a red light in Raleigh, NC. I restarted it and it sounded different, so I drove it home. The next morning it would not start. The failure occurred at approximately 69,939 miles with no meaningful warning. The dealer...

ODI #11733070 • Filed: 04/22/2026

My vehicle started turning off suddenly when stopped and then when starting to move. I replaced my rear seal. A week later, I have oil in my timing and my engine no longer works. I have had it checked by a shop. No warning was given. I have my oil checked regularly and changed...

#2 TRANSMISSION & DRIVETRAINMedium Severity76% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

19
Federal Complaints
Failure Mileage (Median):43,203 milesIQR: 31,34959,825 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 #11742386 • Filed: 06/05/2026Odometer: 69,939 mi

My 2016 GMC Terrain 2.4L Ecotec first stalled while idling at a red light in Raleigh, NC. I restarted it and it sounded different, so I drove it home. The next morning it would not start. The failure occurred at approximately 69,939 miles with no meaningful warning. The dealer...

ODI #11683566 • Filed: 08/28/2025

On or around August 15th I was in traffic and my 2016 GMC TERRAIN just shut off in the middle off traffic almost causing the car behind me to hit me is the rear. I got it started and then slowed down for a car that was turning in frount of me and it shut off again almost causi...

ODI #11665624 • Filed: 06/08/2025

The front windshield wipers suddenly stopped working while I was driving on the freeway in moderate rainfall on .... I wasn't able to see through the windshield. I will call GMC in Roseville MN on Monday, June 9, 2025 to request a service date. I waited until the rain was ligh...

#3 ELECTRICAL SYSTEM & BATTERYMedium Severity76% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

15
Federal Complaints
Failure Mileage (Median):39,109 milesIQR: 28,51751,839 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 #11756995 • Filed: 08/14/2026Odometer: 101,000 mi

The timing chain snapped and caused the engine to seize on our 2016 GMC Terrain 2.4L SLC-1 SUV/Truck. Since this has occurred multiple times on the 2.4L engines in this model from 2012 - 2016, we believe that there should be a recall as this issue could cause a major accident ...

ODI #11610903 • Filed: 08/26/2024

Back right tail light filling with water when it rains. Affecting electrical wires and water dripping into back cargo. No cracks or damage found on tail light.

ODI #11514747 • Filed: 03/31/2023

Thermostat/coolant sensor malfunctioning causing engine fan to constantly run as if the engine is over heating. Some engine exhaust door/flap is stuck open or closed causing check engine light to come on. And or the actuators doors are broken causing windows to fog and obstruc...

#4 STEERING & SUSPENSIONCritical Severity71% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

14
Federal Complaints
Failure Mileage (Median):1,000 milesIQR: 1,0001,000 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 #11613387 • Filed: 09/09/2024

My steering wheel locked while driving. This has prevented me from turning the wheel AT ALL (100% completely locks while the car is in motion). The locked steering wheel lasts approximately 15 seconds. This has happened multiple times over a few month period. I took it to GMC ...

ODI #11610903 • Filed: 08/26/2024

Back right tail light filling with water when it rains. Affecting electrical wires and water dripping into back cargo. No cracks or damage found on tail light.

ODI #11512540 • Filed: 03/18/2023

While just starting on my way home on a cold 9 degree day,I have an 2016 GMC Terrain that I had since 2018 and bought from a dealer. After driving for about 12 miles on the interstate the Terrain engine light came on and there was a vibration coming from the front of my GMC. T...

#5 AIRBAGS & SAFETY RESTRAINTSCritical Severity81% 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 #11705536 • Filed: 12/17/2025

The contact owns a 2016 GMC Terrain. The contact stated that while driving approximately 20 MPH, a second vehicle crashed into the front passenger side of the vehicle. During the crash, the vehicle sustained severe damage to the front passenger side, but no air bags inside the...

ODI #11640149 • Filed: 02/01/2025

consumption of oil! I got my oil changed January 1, 2025. It is now February 1. I have driven less than 500 miles. I had no oil. I have no Leaks or anything wrong. The car just consumes . I have had to have 6 oil changes in the past 3 months. Shop after shop. Has said it just ...

ODI #11593763 • Filed: 06/11/2024

The contact owned a 2016 GMC Terrain. The contact stated that while making a right turn, a Dodge Ram truck ran through a stop sign causing the contact to crash into the truck head-on. The air bags failed to deploy. The contact's daughter arrived at the scene and transported hi...

#6 BRAKING SYSTEM & ABSCritical Severity75% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

11
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11755777 • Filed: 08/09/2026

For an undetermined amount of time- many months for certain, I have been unable to get the key removed from the ignition when the car is shut off and placed in the locked position. I am forced to start and shut off the car for multiple times before I am finally able to remove ...

ODI #11685259 • Filed: 09/05/2025

I was driving my morning commute to work, when I came upon a stop light. I was pressing the brakes and the brakes failed to engage which caused me to hit a car in front of me. I did not have any warnings that the brakes were defective. The warning on the dash did not indicate ...

ODI #11522405 • Filed: 05/17/2023

Multiple brake lines have corroded out of the gas tank. This caused gas to slowly leak from the vehicle . Not available for inspection - currently being fixed. Dealer confirmed multiple lines corroding. It has been inspected by a certified dealer, Golling in Chelsea, Michigan....

#7 FUEL SYSTEM & INJECTIONLow Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

1
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 (1)
ODI #11303053 • Filed: 01/30/2020

I TRIED TO START MY CAR AND IT WOULDN'T START. THIS HAPPENED ON A SUNDAY SO I HAD TO GO TO A PLACE THAT WAS OPEN. I HAD MY CAR TOWED THERE AND COME TO FIND OUT IT WAS THE SOLENOID. I HAD TO GET THAT REPLACED AND ALSO A FUEL PUMP. THIS WAS THE FIRST PROBLEM.

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #16V449000Reported: 21/06/2016

EQUIPMENT:OTHER:LABELS

Summary: General Motors LLC (GM) is recalling certain model year 2016 Chevrolet Equinox and GMC Terrain vehicles manufactured October 16, 2015. The certification labels may have incorrect tire/rim size and cold tire pressure information. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."

Safety Consequence: If the information on the certification labels is incorrect, the operator may install incorrectly sized tires or rims or may improperly inflate the tires, increasing the risk of a crash.
Manufacturer Remedy: GM will notify owners, and dealers will inspect and replace the certification label, free of charge. The recall began on July 14, 2016. Owners may contact Chevrolet customer service at 1-800-222-1050, or GMC customer service at 1-800-462-8782. GM's number for this recall is 46600.
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.

Pre-Purchase Inspection Checklist for 2016 GMC Terrain

Before purchasing a used 2016 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: 2016 GMC Terrain

Is the 2016 GMC Terrain a reliable used car?

The 2016 GMC Terrain earns a 6.1/10 MazicBay Reliability Index based on 152 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 2016 GMC Terrain?

The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 42,032 miles (IQR: 24,29271,204 mi).

Are there free recall repairs available for the 2016 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.

2016 GMC Terrain Owner Maintenance & Equipment CenterVerified battery BCI group sizes, oil sump capacities, and tested scan tools.
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