Infiniti Q40 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
0 distinct recall campaigns
25,000 mi median reported failure mileage
Scope: 2015 to 2015 model years. Data snapshot: . 7 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Air Bags is the most frequently named component, appearing in 3 of 8 complaints (37.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 12.5% |
| Electrical and battery issues | 1 | 12.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Air Bags | 3 |
| Unknown Or Other | 3 |
| Electrical System | 1 |
| Electronic Stability Control (Esc) | 1 |
| Exterior Lighting | 1 |
| Structure | 1 |
Air Bags: 3; Unknown Or Other: 3; Electrical System: 1; Electronic Stability Control (Esc): 1; Exterior Lighting: 1; Structure: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 3; 25,000 to 49,999: 1; 50,000 to 74,999: 2; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (3). 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2024 | 1 |
| 2025 | 1 |
2015: 2; 2017: 1; 2019: 2; 2020: 1; 2024: 1; 2025: 1
Pattern summary
Air Bags leads the component reports. Braking behavior appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11325245 · 2020-05-20 (May 20, 2020)
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. *TR
Owner-reported narrative. 25,000 miles reported. Look up ODI 11325245 at NHTSA ↗
Owner report 11654319 · 2025-04-13 (April 13, 2025)
A common issue found in the Infiniti Q40/G37 lineage, the sunroof drain became clogged leading to an influx of moisture underneath the flooring and within the panels of the right half of the vehicle. Due to the fault, electrical components such as the BCM and ECM were exposed to moisture, leading to numerous issues.
Owner-reported narrative. Look up ODI 11654319 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2015 | 0 |
2015: 0
Year-by-year records
| Model year | Complaints | Recalls | Change in recalls |
|---|---|---|---|
| 2015 | 8 | 0 | Not available |