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InfinitiModel report

Infiniti Q40 Problems by Model Year

NHTSA recorded 8 consumer complaints across the 1 model years of the Infiniti Q40 (2015–2015) that have at least 5 complaints. 2015 has the most, with 8. Across all years, the part named most often is other or unknown (3 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

All Q40 model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

YearComplaintsMedian miRecallsTSBsScore (50 = typical)Trend
2015825,000091—Not enough data

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

2015: “The car when parked on a steep slope with the emergency brake/parking brake on will start to roll on its own. Infiniti was contacted and blamed my driveway as the problem but I have 6 cars and the Infiniti is the only car that cant stay parked and rolls when parked. Was told id have to pay 3 thousand dollars if I wanted my car to get checked.”

NHTSA complaint #11325245, filed 2020-05, 25,000 miles

Other Infiniti models

Infiniti G35
1,346 complaints
Infiniti QX60
590 complaints
Infiniti QX56
540 complaints
Infiniti G37
536 complaints
Infiniti Q50
486 complaints
Infiniti M35
461 complaints
Infiniti FX35
445 complaints
Infiniti JX35
281 complaints

All Infiniti models →

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology