Cadillac Deville: which model years draw the most owner complaints?
983 complaints filed with NHTSA about the Cadillac Deville, model years 2000 to 2005. 2 model years stand out for the engine or transmission: 2000 (engine 2.8×); 2001 (engine 2.4×). Quietest mature years by complaint count: 2005, 2003. 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 Deville | 225 | engine 2.8× | 5 | |
| 2001 Deville | 175 | engine 2.4× | 4 | |
| 2002 Deville | 176 | — | 5 | |
| 2003 DevilleFEW REPORTS | 145 | quiet: 2 of 6 | 4 | |
| 2004 Deville | 167 | — | 1 | |
| 2005 DevilleFEW REPORTS | 95 | quiet: 1 of 6 | 1 |
"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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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: 2000200120022004