GMC Sierra reliability by year
37 recall campaigns and 8,250 owner complaints across 22 model years. Best year to buy: 2026. Year to avoid: 2014.
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 9 flagged on the NHTSA record
Cleaner on the data: 2011, 2012, 2013, 2016, 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 22 model years · newest first
Per-year recall counts add up to 50, more than the 37 campaigns above, because a single NHTSA campaign often covers several model years and is counted once in each.
Common trouble spots across the Sierra aggregated across 22 model years
Common questions
What's the best year to buy a GMC Sierra?
Based on NHTSA complaint volume and severity weighting, the 2026 GMC Sierra scores 10.0/10 — the strongest in the 2005–2026 range. 60 complaints on file, 0 active recalls. Reliability scores reflect the federal complaint record, not subjective owner reviews.
Which GMC Sierra year should I avoid?
The 2014 GMC Sierra scores 4.4/10 — the weakest in the lineup. 853 owner complaints with NHTSA, 12 active recalls. That doesn't mean every 2014 is a problem — it means failure rates run higher than peer model years on the same platform.
Which years of the GMC Sierra should I avoid?
On the NHTSA complaint and recall record, the model years to be most careful with are 2018 (avoid — the powertrain — powertrain: 118 complaints, classified severe, failures cluster 15,000–81,000 mi); 2015 (avoid — the brakes — 7 fire-related complaints and 1 crash-related complaint on the electrical system); 2007 (avoid — the brakes — 5 fire-related complaints and 1 crash-related complaint on the electrical system); 2006 (avoid — the brakes — 5 fire-related complaints on the electrical system); 2005 (avoid — the brakes — 6 fire-related complaints on the electrical system); 2020 (high-risk ownership — electrical system: 50 complaints, classified severe, failures cluster 6,400–80,000 mi). The cleaner years on the data are 2026, 2025, 2016, 2012, 2024, 2023. 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 Sierra are tracked?
22 model years (2005 through 2026) with NHTSA records on file. Total across the lineup: 37 distinct recall campaigns and 8,250 owner complaints. Those campaigns land on 50 model-year entries in total, because one campaign often covers several years at once — which is why per-year recall counts add up to more than the campaign count.
What's the most-reported problem on the GMC Sierra?
engine is the most-reported category — 1,534 complaints across 20 model years. Average shop repair runs about $3,100.