Lexus IS 350: which model years draw the most owner complaints?
217 complaints filed with NHTSA about the Lexus IS 350, model years 2006 to 2020. 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 |
|---|---|---|---|---|
| 2006 IS 350FEW REPORTS | 93 | — | 8 | |
| 2007 IS 350FEW REPORTS | 53 | — | 8 | |
| 2008 IS 350FEW REPORTS | 30 | — | 8 | |
| 2009 IS 350FEW REPORTS | 3 | — | 8 | |
| 2010 IS 350FEW REPORTS | 8 | — | 8 | |
| 2011 IS 350FEW REPORTS | 5 | — | 7 | |
| 2012 IS 350FEW REPORTS | 2 | — | 5 | |
| 2014 IS 350FEW REPORTS | 14 | — | 1 | |
| 2015 IS 350FEW REPORTS | 4 | — | 1 | |
| 2016 IS 350FEW REPORTS | 2 | — | 0 | |
| 2017 IS 350FEW REPORTS | 1 | — | 0 | |
| 2019 IS 350FEW REPORTS | 1 | — | 2 | |
| 2020 IS 350FEW 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 Lexus models
Lexus ES · Lexus ES 300 · Lexus ES 330 · Lexus ES 350 · Lexus GS 300 · Lexus GS 350 · Lexus GX · Lexus GX 470 · Lexus IS · Lexus IS 250 · Lexus LS · Lexus LS 430 · Lexus LS 460 · Lexus NX · Lexus RX · Lexus RX 300 · Lexus RX 330 · Lexus RX 350 · Lexus RX Hybrid. 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: