Chevrolet Cobalt: which model years draw the most owner complaints?
7,676 complaints filed with NHTSA about the Chevrolet Cobalt, model years 2000 to 2017. No model year stands out for the engine or transmission against the others. Quietest mature years by complaint count: 2010, 2009. 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 CobaltFEW REPORTS | 1 | — | 0 | |
| 2002 CobaltFEW REPORTS | 2 | — | 0 | |
| 2005 Cobalt | 1,648 | — | 6 | |
| 2006 Cobalt | 2,329 | — | 6 | |
| 2007 Cobalt | 1,564 | — | 6 | |
| 2008 Cobalt | 843 | — | 5 | |
| 2009 Cobalt | 710 | quiet: 2 of 6 | 6 | |
| 2010 Cobalt | 574 | quiet: 1 of 6 | 6 | |
| 2011 CobaltFEW REPORTS | 2 | — | 0 | |
| 2012 CobaltFEW REPORTS | 1 | — | 0 | |
| 2016 CobaltFEW REPORTS | 1 | — | 0 | |
| 2017 CobaltFEW REPORTS | 1 | — | 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 Chevrolet models
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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: 200520062007200820092010