Are GMCs Reliable? GMC Reliability by Model
GMC reliability varies significantly by model year. Among the 6 GMC models analyzed, the Savana has the fewest flagged years at 0, while the Acadia has the most at 8. The sharpest single-year spike belongs to the Yukon, whose worst year logged up to 4.8× its own median complaint rate. Because complaint totals are not adjusted for vehicle sales, this analysis identifies strong and weak years within each model — it does not rank GMC models against one another.
Analysis by CarWhere Research · Updated August 28, 2026 · Source: NHTSA owner complaints & recall campaigns · Data as of July 2026 · How we rate model years · Download the dataset (CSV)
17,437 NHTSA complaints
model years flagged on federal data
Savana
GMC problem areas by service-bulletin volume
The vehicle systems drawing the most federal service-bulletin (TSB) filings across the 6 GMC models we analyze — a volume signal of where the manufacturer issues the most fix guidance. These are TSB counts by NHTSA component category, not owner-complaint counts.
GMC reliability by model
| Model | Complaints | Years to avoid | Best years | Worst year vs. its avg. |
|---|---|---|---|---|
| GMC Yukon | 3,637 | 2008, 2015, 2016, 2021, 2022, 2023 and 2024 | 2012, 2014, 2018 and 2019 | 4.8× |
| GMC Sierra 2500 | 1,137 | 2015, 2017, 2020 and 2024 | — | 3.7× |
| GMC Yukon XL | 1,274 | 2021, 2022 and 2023 | — | 3.5× |
| GMC Sierra 1500 | 6,179 | 2015, 2019, 2020, 2021, 2022, 2023 and 2024 | 2009, 2012, 2013 and 2016 | 2.7× |
| GMC Savana | 108 | None | — | — |
| GMC Acadia | 5,102 | 2008, 2009, 2010, 2014, 2017, 2018, 2019 and 2021 | — | 3.7× |
Counts are raw federal filings (NHTSA owner complaints), not adjusted for sales volume. A model year is flagged when its severity-weighted complaint rate is among the highest within that model's own history — never a comparison against other brands. Follow any model for its full year-by-year verdict. Full methodology.
Where GMC owners report the most trouble
GMC Yukon: 7 model years flagged to avoid (2008, 2015, 2016, 2021, 2022, 2023 and 2024) — the worst logged up to 4.8× the model's own median severity-weighted complaint rate. See the year-by-year verdict →
GMC Sierra 2500: 4 model years flagged to avoid (2015, 2017, 2020 and 2024) — the worst logged up to 3.7× the model's own median severity-weighted complaint rate. See the year-by-year verdict →
GMC Acadia: 8 model years flagged to avoid (2008, 2009, 2010, 2014, 2017, 2018, 2019 and 2021) — the worst logged up to 3.7× the model's own median severity-weighted complaint rate. See the year-by-year verdict →
Cleanest GMC records: the Savana carries no model year flagged to avoid in the current federal data.
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FAQ
Are GMCs reliable?
GMC reliability varies sharply by model year, not by badge. Among the 6 most-documented GMC models, 5 carry at least one model year we flag to avoid on NHTSA complaint and recall data — the Savana has the fewest flagged years (0) and the Acadia the most (8). These are raw federal complaint counts, not adjusted for how many vehicles GMC sold, so they can't be read as a single cross-brand reliability score — use the per-model, per-year verdicts below.
Which GMC model years should I avoid?
The GMC models carrying the most flagged years are the Acadia (8 flagged years: 2008, 2009, 2010, 2014, 2017, 2018, 2019 and 2021); the Yukon (7 flagged years: 2008, 2015, 2016, 2021, 2022, 2023 and 2024); the Sierra 1500 (7 flagged years: 2015, 2019, 2020, 2021, 2022, 2023 and 2024). A flag means that model year's severity-weighted complaint rate is among the highest within that model's own history — it is not a comparison against other models or brands. See each model's page for the full year-by-year verdict.
Which GMC models have the fewest flagged years?
Among GMC models with enough federal complaint history to rate, the Savana carries no model year flagged to avoid. That is not a cross-model reliability ranking — complaint counts are not sales-adjusted — and a thin record is never counted as a clean one: model years with too little data rate "insufficient" instead.
How do I check a specific GMC before buying?
Start with the free GMC window sticker lookup at carwhere.com/window-sticker/gmc to confirm the exact trim and factory options, then run the $9.99 CarWhere Full VIN Report for that VIN — it includes the recall, complaint, and service-bulletin record for the exact model year plus a market price check from verified buyers. One-time purchase, no subscription.
Sources & data notes
All figures are drawn from the U.S. National Highway Traffic Safety Administration (NHTSA), Office of Defects Investigation — the public NHTSA owner-complaints data and safety recall campaigns — across the 6 most-documented GMC models and every model year on record for each. Retrieved July 2026. Counts are raw federal filings and are not adjusted for the number of vehicles sold or registered, so they cannot be read as a single cross-brand reliability ranking; each model year's verdict compares it only against the rest of that model's own history. Full scoring at the methodology page.
Suggested citation
CarWhere Research. "GMC Reliability by Model & Year: NHTSA Complaint and Recall Analysis." Based on 17,437 NHTSA owner complaints across 6 GMC models, model years 2008–2025. Updated August 28, 2026. https://www.carwhere.com/research/reliability/gmc
This dataset is free to reuse under CC BY 4.0 with attribution to CarWhere Research and a link to this page.
Download the dataset (CSV) — per-model complaint totals, flagged years and verdict counts for every brand we cover (version 2026-08-28).