GMC Denali: which model years draw the most owner complaints?
157 complaints filed with NHTSA about the GMC Denali, model years 2000 to 2015. No model year stands out for the engine or transmission against the others. Counts of unverified owner reports, compared only with other years of the same model; not failure rates.
Complaints by model year
| MODEL YEAR | COMPLAINTS | VS OTHER YEARS | STANDS OUT | RECALLS |
|---|---|---|---|---|
| 2000 DenaliFEW REPORTS | 21 | — | 1 | |
| 2001 DenaliFEW REPORTS | 22 | — | 1 | |
| 2002 DenaliFEW REPORTS | 23 | — | 1 | |
| 2003 DenaliFEW REPORTS | 32 | — | 0 | |
| 2007 DenaliFEW REPORTS | 3 | — | 0 | |
| 2008 DenaliFEW REPORTS | 4 | — | 0 | |
| 2009 DenaliFEW REPORTS | 2 | — | 0 | |
| 2010 DenaliFEW REPORTS | 5 | — | 0 | |
| 2011 DenaliFEW REPORTS | 11 | — | 0 | |
| 2012 DenaliFEW REPORTS | 6 | — | 0 | |
| 2013 DenaliFEW REPORTS | 5 | — | 0 | |
| 2014 DenaliFEW REPORTS | 5 | — | 0 | |
| 2015 DenaliFEW REPORTS | 18 | — | 0 |
"Stands out" = 40 or more complaints naming that system and at least twice the model's quiet (lower-quartile) year, or twice the share seen across every vehicle of that model year. Newer years have had less time on the road. "Quiet" ranks only years with 7+ years on the road and 20+ complaints. NHTSA data through November 2026.
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Other GMC models
GMC Acadia · GMC Canyon · GMC Envoy · GMC Envoy XL · GMC Envoy Xuv · GMC Jimmy · GMC Safari · GMC Savana · GMC Sierra · GMC Sierra 1500 · GMC Sierra 2500 · GMC Sierra 3500 · GMC Sierra Denali · GMC Sonoma · GMC Terrain · GMC Yukon · GMC Yukon Denali · GMC Yukon Denali XL · GMC Yukon XL · GMC Yukon XL 1500. All makes and models.
Source: NHTSA public complaints, recalls, service bulletin and investigation databases, data received through November 2026. Complaints are unverified reports from owners, not failure rates: sales volumes are unknown, so a model year is only compared with other years of the same model. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Year pages: