2019 GMC TERRAIN Problems
Real NHTSA owner complaints for the 2019 Gmc Terrain. This model year has 171 NHTSA complaints — top issue: Brake System.
Model-Year Complaints
171 owner reports
Recall Campaigns
3 NHTSA campaigns
Top Failure Area
Brake System
Worst 2019 Gmc Terrain Problems
Top 3 most-reported issues with average mileage at failure.
Brake System
Engine Problems
Transmission / Drivetrain
AI Interpretation — 2019 Gmc Terrain
Low ConfidenceThe 2019 GMC Terrain has 171 NHTSA complaints, with the most reported issues in the brake system, engine, and transmission. There are 3 recalls and 7 crash-related complaints. The data suggests potential concerns with braking and powertrain components.
- Brake system complaints are the most numerous at 64.
- Engine problems account for 60 complaints.
- Transmission/drivetrain issues total 48 complaints.
- Brake system performance or failure
- Engine stalling or loss of power
- Transmission slipping or hesitation
- Inspect brake system for unusual noises or pedal feel.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and transmission repairs.
- Have a mechanic inspect the vehicle before purchase.
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All Problems by Category
Every NHTSA complaint category for the 2019 Gmc Terrain. A single complaint may appear in multiple categories.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Brake System | 64 | 1 | — | — | |
| Engine Problems | 60 | — | 2 | — | |
| Transmission / Drivetrain | 48 | — | — | — | |
| Electrical Faults | 37 | — | 1 | — | |
| Uncategorized Issues | 19 | 1 | — | — | |
| Unintended Acceleration | 9 | — | — | — | |
| Back Over Prevention | 7 | 1 | — | — | |
| Hydraulic | 6 | — | — | — | |
| Forward Collision Avoidance: AEB | 6 | — | — | — | |
| Electronic Stability Control (Esc) | 6 | 1 | — | — | |
| Headlight/Taillight Failures | 5 | — | — | — | |
| Fuel/Propulsion System | 4 | — | — | — | |
| Steering Defects | 4 | — | — | — | |
| Suspension Failures | 3 | 1 | — | — | |
| Airbag Malfunctions | 2 | 2 | — | — | |
| Tire Issues | 2 | — | — | — | |
| Structural Problems | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2019 Gmc Terrain. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
My cars breaks failed by a vacuum pump failer and I almost died on the a hill going home
ENGINE BREAKDOWN 1.5TURBO IN 11/28/25 WITH 16820 MILES ON IT. IT IS NOT AVAILABLE I HEARD A BANG AND SMOKE OUT OF BACK LOST POWER WHILE DRIVING ON THE HIGH WAY DAMAGE WAS CONFIRMED BUY A DEALER GOODWIN CHEVROLET IN BRUNSWICK ME YES BUY GM DEALER. NO THERE WERE NO WARNING LAMPS OR…
This is the 4th time my vacuum pump has “broke” my brakes become hard and stiff and my brake assist light comes on. It happens EVERY winter when it drops below freezing. This is the second time this winter it has broke and now my check engine light is on. It is not cheap to fix a…
Brake assist light came on and brake pedal became stiff/hard to push. Vehicle struggled to brake. Replaced brake pads and checked brake fluid. Brakes still inoperable. Check engine light came on for vacuum pump. When replacing pump, metal shards and pieces were falling out when o…
My Transmission went out of my truck. I was told this has happened to others of the same make and model, so this is a known issue with this transmission. I was driving down the road and the car completely stopped in moving traffic. I was almost hit by other vehicles and then had …
The contact owns a 2019 GMC Terrain. The contact stated while driving at an undisclosed speed, the transmission unexpectedly shifted into neutral(N). There was transmission fluid on the ground, and the vehicle became disabled. The vehicle was towed to the dealer, where it was dia…
Vacuum pump exploded into camshaft and engine area, causing me to lose brakes completely on the highway. Costly repairs to clear out metal shrapnel and replace camshaft.
The backup camera in our 2019 GMC Terrain stopped working one day - has blue screen and says Service Rear Vision System - so we’ve been driving a year with no backup camera. The dealership wants almost $1000 to fix this issue. And this issue seems to be very common in 2018-2020 T…
I am driving a 2019 GMC Terrain SLT, and I have a serious concern regarding a recent service experience. On 02/10/2026, I had an oil change and a complete vehicle inspection performed at Kunes GMC Greenfield, Wisconsin. After the service was completed and I returned home, I noti…
My family and I were returning home from vacation in another state, and while we were driving on the interstate, an alarm popped up on the DTC stating ruduced engine power. I tried to start slowing down so I could take the next off ramp and could not push the brake pedal in. I ha…
Vehicle was started for the second time that day on 1/5/26 and the engine light was on. I drove the vehicle to an auto parts store to have them check it with an OBD-II scanner. It had code P050F. I had no idea how serious this issue could be at the time. I made an appt with the G…
Drove car approximately 15 miles. Parked car. Car would not turn off. Message- Transmission/Park. Wouldn't Car stayed neutral. Had to call wecker to take dealership. ... Diagnostic Solenoid Valve Body faulty.... 2019 Terrain Miles 91669. Is there recall. Have more reports of iss…
Failure of the cam driven vacuum pump causing brake failure. Leading to a hard brake pedal which increases risk of a crash. Debris from the broken vacuum pump can fall down into the engine causing a catastrophic failure of the engine needing a replacement. This happens with littl…
I bought this Terrain brand new from Betten Baker Chevrolet in Muskegon Mi in 2019 with 500 miles. That same year we had transmission Slippage causing it to slip out of gear then slam back into gear while driving. I took it to the dealer to have it looked at. They did nothing and…
Vehicle has had check engine light and engine reduced power flicking on and off for months, randomly reducing power on highway or nearly causing accidents. Brought car to GMC dealer, they said it was underboost code and needed new turbo. Paid over 7,000$ for repair. Next morning,…
When approaching a stop sign, the brake pedal became extremely hard I was unable to stop, and rolled through the intersection avoiding collision. I was able to slow down enough to engage the emergency brake. There are no lights on the dash.
I was driving home from vacation the vehicle went into limp mode and started to run very poorly with a brake pedal that was almost impossible to push. I limped the vehicle a couple of miles to the next exit. I had the car trailered home and taken to a service center the following…
The contact owns a 2019 GMC Terrain. The contact stated that while driving at an undisclosed speed, the vehicle hesitated, with the check engine warning light illuminated. The contact stated that the warning light turned off after approximately three miles of driving. The contact…
Driving approximately 70mph on interstate. Came to a slight hill, gently applied brake pressure, brakes become hard to apply/would not apply. After diagnostics, found Brake Vacuum Pump with damaged fins.
We have been having varying issues with this GMC, and have found numerous others with the same issue. Vacuum pump went out while driving. Thankfully I was not going very fast and it stopped prior to hitting someone. This is a known issue, yet no recall from GMC. Vacuum pump is…
Source: NHTSA Complaints Database. Real owner reports for the 2019 Gmc Terrain.
Recalls for 2019 Gmc Terrain
3 campaignsNHTSA recall campaigns for the 2019 Gmc Terrain. Recalls are free to fix at any authorized dealer. Run a VIN check below to see if your specific vehicle has open recalls.
2019 Gmc Terrain — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2019 Gmc Terrain reliable?▾
Severe Issues. The 2019 Gmc Terrain has 171 NHTSA owner complaints, 7 crash-related, and 3 recall campaigns. The most reported issue is Brake System (64 complaints). Source: NHTSA via VinSpector AI.
What are the most common problems with the 2019 Gmc Terrain?▾
#1: Brake System (64 complaints). #2: Engine Problems (60 complaints). #3: Transmission / Drivetrain (48 complaints)
At what mileage do problems start on the 2019 Gmc Terrain?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2019 Gmc Terrain?▾
The 2019 Gmc Terrain has 7 crash-related complaints and 3 fire reports out of 171 total NHTSA complaints. 12 injuries were reported. For NCAP lab crash test star ratings, visit nhtsa.gov/ratings.
Does the 2019 Gmc Terrain have any recalls?▾
Yes — 3 NHTSA recall campaigns affect the 2019 Gmc Terrain. The largest issue: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.
Should I buy a 2019 Gmc Terrain?▾
The 2019 Gmc Terrain has severe issues — review the top problems before buying. Pay particular attention to Brake System issues. Always run a VIN check on the specific car you're considering to check for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Gmc Terrain reliability report with year-by-year comparison.
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Check Your Specific 2019 Gmc Terrain
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud. Full report just $12.95 (vs. Carfax $39.99).