Suzuki Forenza: which model years draw the most owner complaints?
907 complaints filed with NHTSA about the Suzuki Forenza, model years 2004 to 2008. 3 model years stand out for the engine or transmission: 2006 (transmission 3.9×); 2007 (transmission 4.3×); 2008 (transmission 2.6×). Quietest mature years by complaint count: 2004, 2008. 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 |
|---|---|---|---|---|
| 2004 ForenzaFEW REPORTS | 63 | quiet: 1 of 5 | 5 | |
| 2005 Forenza | 156 | — | 3 | |
| 2006 Forenza | 280 | transmission 3.9× | 4 | |
| 2007 Forenza | 256 | transmission 4.3× | 2 | |
| 2008 Forenza | 152 | transmission 2.6× | 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: 2005200620072008