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#BS-2020-GMCTER-344A

2020 Gmc Terrain

Based on reports from 250 owners and 2 recalls for this exact model.

Complaints
250
Crashes
9
Fires
1
Recalls
2
TSBs
836
🟡

Preliminary Verdict

Think Twice

Based on 250 complaints, 9 crashes, 1 fires, and 2 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the BrakesHIGH

55 owners reported brakes issues — failures commonly reported around 43K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

20
0–30K
16
30–60K
4
60–90K
6
90–120K
1
120–150K
3
150K+

Peak failure range: 0–30K miles (20 reports) • Median: 43K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Brakes (55 reports).

Includes fuel costs, common repairs, and recall riskUnlock

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

10 sections total in the full reportUnlock all

Where the complaints fall

Brakes55 (22%)
Engine47 (19%)
Other27 (11%)
Drivetrain24 (10%)
Electrical24 (10%)
Fuel System21 (8%)
Speed Control10 (4%)
Forward Collision Avoidance: Automatic Emergency Braking5 (2%)

2020 Gmc Terrain: Known Issues & Problem Areas

Brakes Issues

Brakes complaints account for 22% of all reports filed for the 2020 Gmc Terrain, with 55 owners filing complaints with NHTSA. The median mileage at time of complaint is 42,510 miles, suggesting issues tend to surface around the 43K-mile mark.

Engine Issues

Engine complaints account for 19% of all reports filed for the 2020 Gmc Terrain, with 47 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 10% of all reports filed for the 2020 Gmc Terrain, with 24 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 10% of all reports filed for the 2020 Gmc Terrain, with 24 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

1
19
19
20
21
21
25
22
52
23
38
24
87
25
7
26

Complaints filed with NHTSA by year for the 2020 Gmc Terrain. Recent trend: decreasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (2 recalls)

20V668000Dec 2020

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.

23V339000Jun 2023

CHILD SEAT:VEHICLE LATCH ANCHOR

General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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2020 Gmc Terrain vs. Class Average (Small Sport Utility Vehicle 2WD)

This vehicle

250

Class avg

206

Complaint volume is roughly in line with other small sport utility vehicle 2wd vehicles from 2020.

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. 250 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Gmc Terrain Model Years

20262025202420232022202120202019201820172016201520142013201220112010
View all Gmc Terrain years →

2020 Gmc Terrain: Frequently Asked Questions

What is the most common problem with the 2020 Gmc Terrain?
The most commonly reported issue with the 2020 Gmc Terrain is related to the brakes, with 55 complaints filed with NHTSA.
Is the 2020 Gmc Terrain reliable?
The 2020 Gmc Terrain has 250 complaints, 9 crash reports, and 1 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2020 Gmc Terrain problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2020 Gmc Terrain have any recalls?
Yes, the 2020 Gmc Terrain has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Gmc Terrain problems start?
Based on 50 complaints with mileage data, the median mileage at time of complaint is 42,510 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 250 owner reports. Know before you buy.

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