2010 GMC Terrain - Problems, Statistics, and Analysis

🔎 Common problems of the 2010 GMC Terrain

420 problems have been reported for the 2010 GMC Terrain. The following chart shows the 23 most common problems for 2010 GMC Terrain. The number one most common problem is related to the vehicle's engine and engine cooling with 116 problems. The second most common problem is related to the vehicle's visibility (54 problems).

Table 1. Common problems of the 2010 GMC Terrain

Problem Category	Number of Problems
Engine And Engine Cooling	116
Visibility	54
Power Train	49
Electrical System	47
Air Bag	23
Equipment	22
Electronic Stability Control	21
Vehicle Speed Control	16
Other Fuel System	14
Steering	12
Structure	9
Service Brakes	8
Exterior Lighting	7
Tire	5
Seat Belt	3
Seats	3
Suspension	3
Unknown Or Other	2
Gasoline Fuel System	2
Lane Departure	1
Traction Control System	1
Child Seat	1
Wheel	1

📈 PPMY Index and Problem Occurrence Trend

In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2010 GMC Terrain in the United States are 48,619 units [1]. If the total number of problems reported by GMC Terrain owners in the last 16 years is 420, and the age of the vehicle is 16, the PPMY index can then be calculated as

PPMY Index = 420 / 48,619 / 16 * 1000 = 0.54.

For more information, refer to this page: A study of reliability comparison across GMC Terrain model year vehicles.

The following chart shows the number of problems reported during each of the service years since the debut of the 2010 GMC Terrain in 2010.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year	Number of Problems
2026	2
2025	3
2024	4
2023	5
2022	17
2021	14
2020	16
2019	31
2018	41
2017	42
2016	58
2015	58
2014	33
2013	34
2012	8
2011	13
2010	1

📊 Compare the 2010 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 2010 GMC Terrain with the GMC Terrain from other model years. Note that the number of problems reported for the 2010 Terrain is 420 while the average number of problems reported for the 18 model years of the GMC Terrain is 233.

Table 3. Compare the 2010 GMC Terrain with other model years

Model Year	Number of Problems
2026 Terrain	19
2025 Terrain	19
2024 Terrain	58
2023 Terrain	49
2022 Terrain	93
2021 Terrain	48
2020 Terrain	262
2019 Terrain	282
2018 Terrain	313
2017 Terrain	179
2016 Terrain	173
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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