#1
Engine (1.5L Turbo)
Reported across 5 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
Issue Pattern Analysis
Gmc Terrain Common Problems
We analyzed every Gmc Terrain reliability report across 16 model years (avg score 74/100) — here are the issues that keep showing up.
Most-Reported Terrain Issues
Ranked by how often this issue appears in our Gmc Terrain year-by-year reports.
Affects 31% of years
#2
2.4L Ecotec Engine
Reported across 4 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#3
Engine (2.4L Ecotec)
Reported across 3 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#4
Suspension Components
Reported across 3 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#5
Transmission (9-Speed Automatic)
Reported across 3 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#6
Transmission (6-speed Automatic)
Reported across 2 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#7
Electrical Systems
Reported across 2 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
#8
HVAC System
Reported across 2 Gmc Terrain model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.
Problems by Model Year
2010 Gmc Terrain62/100
The 2.4L engine is a ticking time bomb, overshadowing an otherwise decent, comfortable SUV.
2011 Gmc Terrain62/100
A comfortable cruiser with a major Achilles' heel in its most common engine option, demanding extreme caution.
2012 Gmc Terrain68/100
A comfortable SUV that demands meticulous maintenance and careful engine verification to avoid significant mechanical failures.
2013 Gmc Terrain68/100
A comfortable SUV that's a gamble if equipped with the common 2.4L engine, demanding vigilant maintenance or a V6 upgrade.
2014 Gmc Terrain72/100
A comfortable SUV that hides significant powertrain vulnerabilities, especially with the 2.4L engine, demanding careful pre-purchase scrutiny.
2015 Gmc Terrain72/100
A comfortable cruiser that demands meticulous inspection to avoid significant powertrain headaches.
2016 Gmc Terrain72/100
A comfortable SUV that demands diligent maintenance and pre-purchase scrutiny to avoid significant powertrain headaches.
2017 Gmc Terrain75/100
A comfortable SUV that offers good value, but the 2.4L engine carries notable long-term reliability risks.
2018 Gmc Terrain72/100
A modern SUV with comfort and tech, but its sophisticated powertrain can become a costly liability.
2019 Gmc Terrain78/100
A comfortable cruiser that demands vigilant maintenance and careful engine choice to avoid costly surprises.
2020 Gmc Terrain78/100
A comfortable compact SUV that requires diligent maintenance and careful selection to mitigate known powertrain risks.
2021 Gmc Terrain82/100
A well-rounded compact SUV with a few engine-specific quirks that diligent owners can mitigate for long-term reliability.
Don't buy on guesswork
Get the full Gmc Terrain risk report
Common-problem patterns above are aggregate. For the specific year you're shopping, the paid report breaks down: exact mileage failure windows, repair-cost ranges, recall status, and a buy/avoid verdict.
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