2026 GMC Terrain - Problems, Statistics, and Analysis

🔎 Common problems of the 2026 GMC Terrain

27 problems have been reported for the 2026 GMC Terrain. The following chart shows the 11 most common problems for 2026 GMC Terrain. The number one most common problem is related to the vehicle's equipment with 6 problems. The second most common problem is related to the vehicle's forward collision avoidance (4 problems).

Table 1. Common problems of the 2026 GMC Terrain

Problem Category	Number of Problems
Equipment	6
Forward Collision Avoidance	4
Suspension	3
Wheel	3
Power Train	3
Service Brakes	2
Steering	2
Electrical System	1
Lane Departure	1
Structure	1
Visibility	1

📈 Problem Occurrence Trend

The following chart shows the number of problems reported during each of the service years since the debut of the 2026 GMC Terrain in 2026.

Table 2. Problem Occurrence Trend

Service Year	Number of Problems
2026	18

📊 Compare the 2026 GMC Terrain with Other Model Years

When making the decision between buying a new or used GMC Terrain, the following table can be used to compare the 2026 GMC Terrain with the GMC Terrain from other model years. Note that the number of problems reported for the 2026 Terrain is 27 while the average number of problems reported for the 18 model years of the GMC Terrain is 235.

Table 3. Compare the 2026 GMC Terrain with other model years

Model Year	Number of Problems
2026 Terrain	27
2025 Terrain	23
2024 Terrain	63
2023 Terrain	52
2022 Terrain	95
2021 Terrain	49
2020 Terrain	266
2019 Terrain	286
2018 Terrain	315
2017 Terrain	181
2016 Terrain	175
2015 Terrain	381
2014 Terrain	384
2013 Terrain	471
2012 Terrain	498
2011 Terrain	546
2010 Terrain	420
2009 Terrain	1

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☘ Terrain Service Bulletins

⚑ Terrain Safety Recalls

☤ Terrain Defect Investigations