Infiniti Q40: Years to Avoid and Best Years to Buy
The Infiniti Q40 has 1 model year(s) in the federal index and no scored complaint record yet, so this page carries the catalogue entry and the years we hold rather than a verdict.
Year-by-year data table
| Year | Score | Verdict | Running cost / yr | NHTSA complaints | Recalls |
|---|---|---|---|---|---|
| 2015 | 92 | BUY | $5,443 | 8 | 0 |
Running cost is fuel or energy plus the maintenance band midpoint for that car at its age today, re-priced to your country. Purchase price, insurance and depreciation are not included.
Photographs and every generation of the Q40, through the years →
What goes wrong on the Infiniti Q40
Across every Q40 model year in our index, owners report these component groups most often. The cost beside each one is the representative repair for that group at a US independent shop, re-priced to your country.
- Unknown Or Other3 complaints across all Q40 years · typical job: Diagnosis and mixed repair$360–$940
- Air Bags3 complaints across all Q40 years · typical job: Airbag module, clockspring or sensor replacement$600–$1,700
- Structure1 complaints across all Q40 years · typical job: Body, subframe or corrosion repair$1,070–$2,920
- Exterior Lighting1 complaints across all Q40 years · typical job: Headlamp assembly or lighting-module replacement$360–$1,380
- Electronic Stability Control (Esc)1 complaints across all Q40 years · typical job: Yaw sensor or ESC module replacement$660–$1,560
- Electrical System1 complaints across all Q40 years · typical job: Alternator, battery-drain or body-module diagnosis and replacement$540–$1,310
Flat-rate labour hours x local shop rate plus a parts band. An estimate of what this class of failure costs, not a quote. Formula.
FAQ
What is the most common Infiniti Q40 problem?
3 of the complaints filed against the Q40 across all its model years sit in the Unknown Or Other group — more than any other component.
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Sources: NHTSA, EPA · Methodology · Updated 2026-10-04