Are GMCs Reliable? GMC Reliability by Model
Across the 6 most-documented GMC models, CarWhere's analysis of 17,329 NHTSA complaints finds 5 carry at least one model year to avoid; the cleanest federal records belong to the Savana. Counts are raw federal filings, not adjusted for sales volume. Data as of July 2026.
Source: NHTSA owner complaints & recall campaigns · Data as of July 2026 · How we rate model years
17,329 NHTSA complaints
model years flagged on federal data
Savana
What GMC owners report most
The vehicle systems drawing the most federal service-bulletin activity across the 6 GMC models we analyze — a signal of where problems concentrate.
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 | 0 | 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 average 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 average 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 average 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 and year, not by brand. Across 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 carries no year we flag to avoid. 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 verdicts below.
What is the most reliable GMC?
Among the GMC models we analyze, the Savana carries no model year flagged to avoid in the current federal data — the cleanest record in the lineup. Reliability still comes down to the specific model year, so check the year-by-year verdict before buying.
Which GMC models have the most years to avoid?
The GMC models carrying the most flagged years are the Yukon (7 years flagged, worst up to 4.8× its own average), the Sierra 2500 (4 years flagged, worst up to 3.7× its own average), the Acadia (8 years flagged, worst up to 3.7× its own average). A flag means that model year has one of the highest severity-weighted complaint rates within that model's own history — it is not a comparison against other brands.
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 — owner-filed complaints and 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.