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#BS-2018-GMCTER-344A2018 Gmc Terrain
Based on reports from 305 owners and 5 recalls for this exact model.
Preliminary Verdict
Think Twice
Based on 305 complaints, 21 crashes, 2 fires, and 5 recalls.
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Mechanic Inspection Checklist
68 owners reported brakes issues — failures commonly reported around 16K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (86 reports) • Median: 16K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Brakes (68 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2018 Gmc Terrain: Known Issues & Problem Areas
Brakes Issues
Brakes complaints account for 22% of all reports filed for the 2018 Gmc Terrain, with 68 owners filing complaints with NHTSA. The median mileage at time of complaint is 15,615 miles, suggesting issues tend to surface around the 16K-mile mark.
Engine Issues
Engine complaints account for 16% of all reports filed for the 2018 Gmc Terrain, with 49 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 13% of all reports filed for the 2018 Gmc Terrain, with 39 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Electrical Issues
Electrical complaints account for 11% of all reports filed for the 2018 Gmc Terrain, with 33 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2018 Gmc Terrain. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (5 recalls)
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.
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.
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 flange, possibly resulting in the pump damaging the high pressure fuel line.
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 insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
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. The start/stop accumulator endcap may have missing bolts.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2018 Gmc Terrain vs. Class Average (Small Sport Utility Vehicle 2WD)
This vehicle
305
Class avg
436
Below the class average — fewer complaints than typical small sport utility vehicle 2wd vehicles. A good sign.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 305 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 5 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Gmc Terrain Model Years
View all Gmc Terrain years →2018 Gmc Terrain: Frequently Asked Questions
What is the most common problem with the 2018 Gmc Terrain?
Is the 2018 Gmc Terrain reliable?
How much does it cost to fix 2018 Gmc Terrain problems?
Does the 2018 Gmc Terrain have any recalls?
What mileage do Gmc Terrain problems start?
What’s in the full report?
How is this different from free NHTSA data?
How is this different from Carfax?
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Get the Full 2018 Gmc Terrain Report
10 sections of AI analysis based on 305 owner reports. Know before you buy.