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Air bagsPart report

2021 GMC Terrain Air bags Problems

Complaints
1about this part
Share
3%of 36 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the air bags of the 2021 GMC Terrain, 3% of the 36 complaints for this model year. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was in a in a 70 miles an hour highway accident and was hit in front driver side door, went up embankment and hit a tree then rolled backwards onto the highway. No airbags deployed.”

NHTSA complaint #11568581, filed 2024-01

Air bags: other model years

YearComplaintsShare of year
202518%
202424%
202325%
202212%
202113%
202032%
201921%
2018146%
2017129%
2016107%
2015176%
2014114%
2013195%
2012257%
2011256%
2010248%

Other parts of the 2021 GMC Terrain

Engine
10 complaints
Brakes
8 complaints
Transmission and drivetrain
8 complaints
Electrical system
7 complaints
Fuel system
4 complaints
Other or unknown
4 complaints
Forward collision avoidance
3 complaints
Engine cooling
2 complaints
Lane departure
2 complaints
Suspension
2 complaints
Steering
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2021 GMC Terrain

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology