Recalls (5)
NHTSA lists 5 recall campaigns for the 2018 GMC Terrain. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Missing Bolts on Start/Stop Accumulator
- Summary
- 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. The start/stop accumulator endcap may have missing bolts.
- Consequence
- Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
- Remedy
- GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Insufficient Coating on Rear Brake Caliper Pistons
- Summary
- 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 insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
- Consequence
- A reduction of braking performance can increase the risk of a crash.
- Remedy
- GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
Fuel Pump Flange Weld may Fracture
- Summary
- 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 flange, possibly resulting in the pump damaging the high pressure fuel line.
- Consequence
- A damaged fuel line can create a fuel leak, increasing the risk of a fire.
- Remedy
- GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Sensing Module may not Power Down Correctly
- Summary
- 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.
- Consequence
- If the SDM becomes inoperative, it will not detect a crash or command the necessary air bag deployment, increasing the risk of injury in the event of a crash.
- Remedy
- GM will notify owners, and dealers will reprogram the SDM with updated software, free of charge. The recall began June 29, 2018. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is 18179.
Driveshaft Fracture and Separation
- Summary
- 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.
- Consequence
- If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
- Remedy
- GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 17329.
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (223)
223 complaints filed with NHTSA (owner reports, not verified findings). The service brakes is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 223 |
|---|---|---|
| Service brakes | 82 | 36.8% |
| Engine | 54 | 24.2% |
| Power train | 41 | 18.4% |
| Electrical system | 35 | 15.7% |
| Unknown or other | 35 | 15.7% |
| Air bags | 14 | 6.3% |
| Fuel/propulsion system | 12 | 5.4% |
| Forward collision avoidance | 8 | 3.6% |
| Vehicle speed control | 8 | 3.6% |
| Electronic stability control | 7 | 3.1% |
How 2018 compares with other Terrain years
Best and worst Terrain years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2014 | 296 | 2 |
| 2015 | 297 | 3 |
| 2016 | 152 | 2 |
| 2017 | 134 | 1 |
| 2018 | 223 | 5 |
| 2019 | 185 | 3 |
| 2020 | 197 | 2 |
| 2021 | 36 | 2 |
| 2022 | 60 | 2 |
| 2023 | 40 | 2 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Crash tests: 4 stars overall

Source: NHTSA 5-Star Safety Ratings (NCAP), 2018 GMC Terrain suv fwd, retrieved Oct 6, 2026.
Fuel economy: up to 32 mpg combined
- EPA annual fuel cost
- $3,000
- CO₂ tailpipe
- 319 g/mi
- EPA class
- Small Sport Utility Vehicle
What it costs you to run
Miles ÷ 32 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 1.6 L 4-cyl · 6-speed automatic | Front-Wheel Drive | 28 / 39 / 32 | $3,000 | 319 |
| 1.6 L 4-cyl · 6-speed automatic | All-Wheel Drive | 28 / 38 / 32 | $3,000 | 319 |
| 1.5 L 4-cyl · 9-speed automatic | Front-Wheel Drive | 26 / 30 / 28 | $2,400 | 316 |
| 1.5 L 4-cyl · 9-speed automatic | All-Wheel Drive | 24 / 28 / 26 | $2,600 | 339 |
| 2 L 4-cyl · 9-speed automatic | Front-Wheel Drive | 22 / 28 / 24 | $3,400 | 369 |
| 2 L 4-cyl · 9-speed automatic | All-Wheel Drive | 21 / 26 / 23 | $3,550 | 386 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Looking at a 2018 Terrain for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2018 GMC Terrain FAQ
How many recalls does the 2018 GMC Terrain have?
NHTSA lists 5 recall campaigns: 20V668000 (power train), 18V576000 (brake), 18V358000 (fuel pump), 18V340000 (air bag), 17V516000 (power train). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2018 GMC Terrain problems?
Owners filed 223 complaints with NHTSA. Service brakes (82), Engine (54), Power train (41) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2018 GMC Terrain get?
EPA rates the 1.6 L 4-cyl · 6-speed automatic version at 28 city, 39 highway and 32 combined mpg. Other configurations are listed in the fuel economy section.
What safety rating did the 2018 GMC Terrain get?
NHTSA rated the 2018 GMC Terrain suv fwd 4 stars overall, with 5 stars frontal, 4 stars side and 4 stars rollover (18.8% rollover risk).
How does the 2018 Terrain compare with other years?
Among the 2014–2021 GMC Terrain model years at least five years old, the 2021 drew the fewest complaints (36) and the 2015 the most (297). The 2018 drew 223. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.