Gmc Terrain ReliabilityAll Years Ranked (2010–2025)
Side-by-side reliability scores, risk levels, and owner-cost projections for every Gmc Terrain we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Terrain across generations.
Average Score
74/100
Best Year
2024 Gmc Terrain
Score 83
Weakest Year
2010 Gmc Terrain
Score 62
Every Gmc Terrain Ranked
Sorted by reliability score. Each link opens the full year-specific report.
A well-rounded compact SUV with respectable reliability, provided the 1.5L turbo engine is well-maintained.
Top risks: Engine (1.5L Turbo) · Electrical / Infotainment · Suspension Components
A well-rounded compact SUV with a generally reliable foundation, poised for a confident ownership journey.
Top risks: Infotainment & Electrical · Engine (1.5L Turbo) · Transmission (9-Speed Automatic)
A well-rounded compact SUV with a few engine-specific quirks that diligent owners can mitigate for long-term reliability.
Top risks: Engine (1.5L Turbo) · Electrical/Infotainment · Suspension Components
A well-rounded compact SUV that delivers dependable family transport with few significant reliability pitfalls.
Top risks: Transmission (9-Speed Automatic) · Electrical/Infotainment System · Engine (1.5L Turbo)
A comfortable cruiser that demands vigilant maintenance and careful engine choice to avoid costly surprises.
Top risks: Engine Oil Consumption · Electrical/Infotainment System · Transmission Shifting Issues
A comfortable compact SUV that requires diligent maintenance and careful selection to mitigate known powertrain risks.
Top risks: Engine (1.5L Turbo) · Transmission (9-Speed Automatic) · Electrical System
A practical choice that demands proactive maintenance and a thorough inspection to ensure long-term peace of mind.
Top risks: 1.5L Turbocharged Engine · 9-Speed Automatic Transmission · Electrical / Infotainment System
A comfortable SUV that offers good value, but the 2.4L engine carries notable long-term reliability risks.
Top risks: 2.4L Ecotec Engine · 6-Speed Automatic Transmission · Suspension Components
A comfortable SUV that hides significant powertrain vulnerabilities, especially with the 2.4L engine, demanding careful pre-purchase scrutiny.
Top risks: 2.4L Ecotec Engine · Automatic Transmission · HVAC System
A comfortable cruiser that demands meticulous inspection to avoid significant powertrain headaches.
Top risks: Engine (2.4L Ecotec) · Transmission (6-speed Automatic) · Electrical System
A comfortable SUV that demands diligent maintenance and pre-purchase scrutiny to avoid significant powertrain headaches.
Top risks: 2.4L Ecotec Engine (Oil Consumption/Timing Chain) · 6-Speed Automatic Transmission (6T45/6T70) · HVAC Blower Motor & Resistor
A modern SUV with comfort and tech, but its sophisticated powertrain can become a costly liability.
Top risks: 9-Speed Automatic Transmission · Direct-Injection Engine Carbon Buildup · Electrical System & Infotainment
A comfortable SUV that demands meticulous maintenance and careful engine verification to avoid significant mechanical failures.
Top risks: 2.4L Ecotec Engine · Catalytic Converter · Power Steering Pump/System
A comfortable SUV that's a gamble if equipped with the common 2.4L engine, demanding vigilant maintenance or a V6 upgrade.
Top risks: Engine (2.4L Ecotec) · Fuel System (2.4L Ecotec) · HVAC System
The 2.4L engine is a ticking time bomb, overshadowing an otherwise decent, comfortable SUV.
Top risks: Engine (2.4L Ecotec) · Transmission (6-speed Automatic) · Electrical Systems
A comfortable cruiser with a major Achilles' heel in its most common engine option, demanding extreme caution.
Top risks: 2.4L Ecotec Engine · Transmission (6-Speed Automatic) · Electrical Systems
Problems That Follow the Terrain Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Engine (1.5L Turbo)
Appears in 5 model years · 31% of generations
2.4L Ecotec Engine
Appears in 4 model years · 25% of generations
Engine (2.4L Ecotec)
Appears in 3 model years · 19% of generations
Suspension Components
Appears in 3 model years · 19% of generations
Transmission (9-Speed Automatic)
Appears in 3 model years · 19% of generations
Transmission (6-speed Automatic)
Appears in 2 model years · 12% of generations
Electrical Systems
Appears in 2 model years · 12% of generations
HVAC System
Appears in 2 model years · 12% of generations