YearToAvoid

2024 GMC Terrain Reliability Data: Problems & Recalls

Good The 2024 GMC Terrain has a complaint index of 27, ranking 12th worst out of 16 model years, earning a Good verdict. Transmission & Powertrain issues dominate at 43% of complaints, with a median failure mileage of 3,787 miles, plus one recall for door strikers.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
27/100
#12 of 16 Terrain years
Verdict
Good
vs. other years of this model
Complaints
49
unique NHTSA reports
Recalls
1
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
1
Injuries
2
Top issue
Transmission & Powertrain
Best nearby year
2025
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
25.5
23.5 city / 28.5 hwy
Injuries / deaths
2 / 0

Top 2024 GMC Terrain problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Transmission & Powertrain21 (43%)
  2. Engine13 (27%)
  3. Fuel System10 (20%)
  4. Other10 (20%)
  5. Electrical System6 (12%)
  6. Brakes3 (6%)
  7. Collision Avoidance & Cameras3 (6%)
  8. Airbags2 (4%)
  9. Lane Departure1 (2%)
  10. Steering1 (2%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Transmission shifts unexpectedly into Park while accelerating or driving, sometimes causing sudden loss of control.
  • Gears fail to engage after stopping or slowing, delaying acceleration and creating danger when merging onto highways.
  • Transmission downshifts abruptly with the tachometer surging, followed by a diagnosis of transmission failure.
  • Power steering warning appears and the steering wheel locks, leaving the driver unable to maneuver the vehicle.
  • Brake system failure warning appears while parked, followed by a vibrating pedal and long stopping distances once driving resumes.
  • Engine loses power while merging onto the highway after a check engine light comes on.
2024 GMC Terrain complaints: complaints filed per month7May 2024Sep 2024Apr 2025Aug 2025Feb 2026Jun 2026
49 complaints filed with NHTSA from May 2024 to Sep 2026; peak Apr 2026 (7).

2024 GMC Terrain recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 23V869000Dec 21, 2023Structure & Body265 vehicles

    Structure:body:door

    General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.

    Risk: A door opening while the vehicle is being driven can increasing the risk of injury or a crash.

    Remedy: Dealers will replace all four door strikers and attaching bolts, free of charge. Owner notification letters were mailed January 24, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 and GMC customer service at 1-800-462-8782. GM's number for this recall is N232429911.

2024 GMC Terrain fuel economy and fuel cost

City
23.5 MPG
Highway
28.5 MPG
Combined
25.5 MPG
Annual fuel cost (EPA)
$2,550
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2024 compared with other Terrain years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2022Best760226.5
2023Best2039226
2024Good2749125.5
2025Best013026

All GMC Terrain years: best and worst →

Frequently asked questions

Is the 2024 GMC Terrain reliable?
Compared to other Terrain model years, 2024 ranks 12th worst out of 16 with a complaint index of 27, which earns a Good verdict. Its top problem area is Transmission & Powertrain, making up 43% of complaints.
What problems does the 2024 GMC Terrain have?
NHTSA complaints show Transmission & Powertrain issues lead at 43% of complaints, with a median failure mileage of 3,787 miles, followed by Engine problems at 27% and Fuel System complaints at 20%.
Does the 2024 GMC Terrain have any recalls?
NHTSA lists one recall for the 2024 Terrain covering door strikers that may fracture and cause doors to open unexpectedly; this is not a do-not-drive recall.
How does the 2024 Terrain compare to other years?
The 2024 Terrain's complaint index of 27 is far lower than years like 2011 (100) and 2020 (80), which carry Avoid verdicts, but higher than 2021-2023 and 2025, which earn Best verdicts.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.