2018 GMC Terrain problems: what to check before you buy
The 2018 GMC Terrain has 5 NHTSA recall campaigns to check, the newest filed in 2020, plus 219 owner complaints, the second-most of the eight Terrain model years in our 2015–2022 collection, with the brakes (68) and the engine (53) named most often. Before you buy one, run its VIN through NHTSA's free recall lookup; the $14.99 original ClearVIN PDF shows title brands, odometer readings, accident and auction records on file.
Buying this 2018 Terrain? Enter its VIN.
The decode is free. The original ClearVIN PDF is $14.99 one time, with no account: title brands, odometer readings, accident and auction records on file for that VIN. Check open recalls with NHTSA’s free VIN lookup.
Title brands · Odometer records · Auction history, where reported
No subscription. No charge to check the VIN. Report contents vary by vehicle; applicable tax is shown at checkout.
See what the paid report includes →NHTSA lists 5 safety recalls for the 2018 GMC Terrain, alongside 219 owner complaints filed with the agency, most often about the brakes. Eligible recall remedies are generally free through the manufacturer's approved repair process, even after the warranty ends; some software remedies are delivered remotely. Federal no-charge coverage has an age limit for vehicles first sold more than 15 years before the recall notice; manufacturers may cover older vehicles voluntarily. Check the specific VIN — a previous owner may already have had the work done.
Half of the 93 NHTSA owner complaints on the 2018 GMC Terrain that list mileage came after 18,000 miles (NHTSA complaints file of November 11, 2026). How many miles will a GMC Terrain last? →
One VIN. One $14.99 history report.
For $14.99, VIN Lookup delivers an original ClearVIN vehicle-history PDF for the 2018 GMC Terrain VIN you enter: title brands, odometer readings, accident and auction records on file. ClearVIN is on the U.S. Department of Justice’s list of approved NMVTIS data providers; VIN Lookup sells that original report. The records returned vary by VIN.
The VIN decode is free. No card is needed until you choose to buy; applicable tax is shown at checkout. A missing record is not proof that an event never happened.No account · Refund reviewed if not delivered, unopenable or wrong VIN by our error · Sold by VIN Lookup (SH LLC, Sheridan, WY)Original provider PDF
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What to check before buying a used 2018 Terrain
Model-year data describes the production run, not the car in front of you: two cars of this model year can differ entirely, one with every recall repaired and the other with none. The counts below are from NHTSA data collected on 2026-09-15.
- Verify the 5 recall campaigns by VINCopy the 17-character VIN from the windshield or driver-door label, not from the listing, and run it through NHTSA's free recall lookup. It shows unrepaired recalls within its coverage and does not show completed repairs, so ask the seller for dated repair paperwork. The campaigns cover the powertrain, the brakes, the fuel system and the airbags. The newest, 20V668000, was filed in 2020.
- Test-drive for what Terrain owners report most68 of the 219 owner complaints filed with NHTSA name the brakes: on the drive, brake firmly from speed: the pedal should stay firm, the car should stop straight and the ABS light should stay off. Another 53 name the engine: start it cold, listen for knocking or ticking, watch for warning lights and smoke, and look for oil or coolant leaks. Complaints are unverified owner reports, not proven defects, but they show where to look.
- Check the title and odometer in the history reportRecall and complaint data describe the 2018 production run, not this car's past. The VIN decode here is free; the $14.99 original ClearVIN PDF lists title brands, odometer readings, accident and auction records on file for that VIN. Records vary by vehicle, and a missing record does not prove nothing happened.
- Book an independent pre-purchase inspectionHave a mechanic you choose inspect this Terrain before you buy, and ask them to look hardest at the brakes, the engine and the powertrain.
Is the 2018 Terrain a good car to buy used?
NHTSA's records cannot rate one used 2018 GMC Terrain; they can show how this model year compares with the other Terrain years in this site's 2015–2022 NHTSA collection. The 2018 has 219 owner complaints on file; of the eight Terrain model years in this site's 2015–2022 NHTSA collection (2015–2022), one drew more and six drew fewer. The median of the Terrain years with enough complaints to compare is 182. The 2015 stands out instead, at 315. Its 5 recall campaigns are the most of any Terrain year in the 2015–2022 collection. These counts track how many were sold and how long they have been on the road, so they rank years within the Terrain, not build quality; whether one 2018 Terrain is a good buy depends on its own history and condition.
Which 2015–2022 Terrain years have the most complaints?
Among the eight Terrain model years in this site's 2015–2022 NHTSA collection, the 2015 has the most owner complaints, 315. The 2018 has 219. Older and better-selling years have had more time and more owners to file reports.
2018 GMC Terrain recalls and reported problems at a glance
What owners report most
These are the vehicle systems named most often in complaints owners filed with NHTSA about the 2018 GMC Terrain. A complaint is an unverified owner report: it does not establish a defect, and a high count can simply reflect a popular model. Use it to decide where an inspection should look hardest.
| Vehicle system | Complaints |
|---|---|
| Service Brakes | 68 |
| Engine | 53 |
| Power Train | 41 |
| Electrical System | 35 |
| Unknown Or Other | 34 |
| Air Bags | 14 |
Recall campaigns for the 2018 GMC Terrain
Each campaign below is an official NHTSA record. An eligible remedy is generally free through the manufacturer’s approved process, which may be an authorized service visit or remote software update. Federal no-charge coverage has a 15-year first-sale limit measured at the recall notice; manufacturers may cover older vehicles voluntarily. A campaign covers a production range. Check the VIN for open recalls within NHTSA’s coverage; confirm applicability and completed repairs with the manufacturer or an authorized dealer.
| Campaign | Component | Issue |
|---|---|---|
| 20V668000 | POWER TRAIN:AUTOMATIC TRANSMISSION | General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. T… |
| 18V576000 | SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER | General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insu… |
| 18V358000 | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flang… |
| 18V340000 | AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE | General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted. |
| 17V516000 | POWER TRAIN:DRIVELINE:DRIVESHAFT | General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving. |
What this data cannot tell you
- A complete recall or repair history for one vehicle. NHTSA’s VIN lookup covers unrepaired recalls within its scope; confirm missing campaigns and completed work with the manufacturer or an authorized dealer.
- Whether a complaint is accurate. NHTSA publishes owner reports without verifying them.
- How reliable the model is overall: complaint volume tracks how many vehicles were sold as much as how they hold up.
- Anything about title brands, accident history, odometer records, or liens on an individual vehicle.
Primary sources behind this page
Open the underlying public source and verify that its scope matches the question you are asking.
- Recalls Lookup by VINNational Highway Traffic Safety Administration
- Vehicle recall remedy age limitNational Highway Traffic Safety Administration
- NHTSA recall and complaint datasets: scope and API documentationNational Highway Traffic Safety Administration
- Vehicle Product Information Catalog (vPIC)National Highway Traffic Safety Administration
- NHTSA recall campaign 20V668000National Highway Traffic Safety Administration
- NHTSA recall campaign 18V576000National Highway Traffic Safety Administration
- NHTSA recall campaign 18V358000National Highway Traffic Safety Administration
- NHTSA recall campaign 18V340000National Highway Traffic Safety Administration
- NHTSA recall campaign 17V516000National Highway Traffic Safety Administration
- Approved NMVTIS Data Providers — checked October 26, 2026U.S. Department of Justice, Bureau of Justice Assistance
The 2026-09-15 data collection queried these NHTSA model names for 2018 GMC: TERRAIN. Records appearing under more than one name are counted once. The documentation explains the collection endpoints; a campaign link opens its official record across all affected vehicles, not the recall status of a specific VIN.
2018 GMC Terrain questions
What should I check before buying a used 2018 GMC Terrain?
Check the 5 NHTSA recall campaigns against the car's VIN with NHTSA's free lookup and ask for dated repair paperwork. Owners name the brakes and the engine most often in 219 complaints; those are unverified reports, not proven defects, but they show what to test on the drive. Recall data says nothing about this car's past: the $14.99 original ClearVIN PDF lists title brands, odometer readings, accident and auction records on file for the VIN. Finish with an independent pre-purchase inspection.
How many recalls does the 2018 GMC Terrain have?
NHTSA lists 5 safety recalls covering the 2018 GMC Terrain as of 2026-09-15. Whether a specific vehicle is affected — and whether the repair was already done — depends on its VIN.
What are the most common 2018 GMC Terrain problems?
Owners most often report problems with the brakes, the engine and the powertrain to NHTSA. These are unverified owner reports and do not establish a defect, but they show where to focus an inspection.
Are GMC recall repairs free?
Generally, yes for eligible vehicles, even after the warranty ends. Federal law limits the required no-charge remedy when a vehicle was first sold more than 15 years before the recall notice; a manufacturer may still cover an older vehicle voluntarily. Check the VIN with the manufacturer for the approved remedy, which may be a dealer visit or a remote software update.
Can I check recalls on a specific 2018 GMC Terrain VIN?
Yes. NHTSA's free VIN lookup reports unrepaired recalls within its coverage. It excludes completed repairs and can omit some recent recalls, older campaigns and vehicles outside its coverage. A zero result is not a complete recall or repair history. Ask the seller or manufacturer for dated repair documentation.