GMC Terrain reliability by year
2 recalls and 3,081 owner complaints across 17 model years. Best year to buy: 2026. Year to avoid: 2018.
Worst model years to avoid → — the single year to avoid for every model line we track, ranked side by side.
Years to avoid — and why 2 flagged on the NHTSA record
Cleaner on the data: 2016, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 and others. Still verify the specific vehicle.
At-a-glance: every year color-coded
Each cell shows the last two digits of the model year and its 0–10 reliability score from NHTSA data. Click any year to see the full record. ★ best year · ✕ year to avoid.
Year-by-year reliability 17 model years · newest first
Common trouble spots across the Terrain aggregated across 17 model years
Common questions
What's the best year to buy a GMC Terrain?
Based on NHTSA complaint volume and severity weighting, the 2026 GMC Terrain scores 8.6/10 — the strongest in the 2010–2026 range. 22 complaints on file, 0 active recalls. Reliability scores reflect the federal complaint record, not subjective owner reviews.
Which GMC Terrain year should I avoid?
The 2018 GMC Terrain scores 7.2/10 — the weakest in the lineup. 214 owner complaints with NHTSA, 1 active recall. That doesn't mean every 2018 is a problem — it means failure rates run higher than peer model years on the same platform.
Which years of the GMC Terrain should I avoid?
On the NHTSA complaint and recall record, the model years to be most careful with are 2011 (avoid — the powertrain — 6 fire-related complaints on the engine); 2012 (high-risk ownership — powertrain: 36 complaints, classified severe, failures cluster 71,760–101,000 mi). The cleaner years on the data are 2026, 2025, 2024, 2023, 2022, 2021. This is our read of the federal data, not a substitute for a pre-purchase inspection of the specific vehicle.
How many years of the GMC Terrain are tracked?
17 model years (2010 through 2026) with NHTSA records on file. Total across the lineup: 2 recalls and 3,081 owner complaints.
What's the most-reported problem on the GMC Terrain?
engine is the most-reported category — 778 complaints across 15 model years. Average shop repair runs about $3,100.