AutoUtility currently tracks 125 official NHTSA owner defect complaints for the 2015 Infiniti Q50. Powertrain & Transmission issues are the most frequently reported category, appearing in 39 complaints (31.2% of submitted records). Among these NHTSA complaint records, 16 filings cite a crash, 2 cite a fire, 8 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
39 owner complaints submitted to NHTSA ODI for this subsystem.
28 owner complaints submitted to NHTSA ODI for this subsystem.
22 owner complaints submitted to NHTSA ODI for this subsystem.
21 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
3 complaint narratives describe this symptom.
Formal engineering analyses and preliminary evaluations opened by the NHTSA Office of Defects Investigation
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"While operating the vehicle, the transmission suffered an abrupt failure resulting in Diagnostic Trouble Code (DTC) P0720 (Output Speed Sensor Circuit). Further diagnostic inspection revealed a complete internal failure of the integrated valve body assembly, which houses the Transmission Control..."
"After starting the car the steering wheel jumps off center and the steering is all over the place. have to start the car again and the steering wheel jumps the other direction. I strongly suggest this is exactly what the June 13, 2016 NHTSA campaign number 16V43000 the software may reduce steering..."
"DIRECT ADAPTIVE STEERING EXPERIENCEING AT START UP ALTERING THE VEHICLES STEERING AND RESPONSIVENESS AND TURNING RADIUS DOES NOT WORK AND IS INCREASING THE RISK OF A CRASH. VERY UNSAFE TO DRIVE. THERE IS A RECALL 16V430000 ON THIS VERY PROBLEM. HAVE BEEN TOLD BY DEALERSHIP AND NISSAN MOTORS THAT MY..."
"While driving my 2015 Infiniti Q50s, the transmission suddenly suffered a catastrophic electronic failure, causing the vehicle to immediately drop into "limp mode." This resulted in a sudden and dangerous loss of acceleration while operating in traffic. A diagnostic scan revealed trouble codes..."
"DAS issue that I have been dealing with for two months now, issue is still not resolved even after taking out a personal loan for 6k to fix the modules at Douglas Infiniti, waited weeks for the modules, they replaced the modules, did the calibration but a new issue is happening where I'm losing..."
Reported defect complaint volume across sibling model years (2015–2024)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Infiniti Q50 Current Page | 125 | 16 | 3 | Current |
| 2016 Infiniti Q50 | 39 | 1 | 4 | View 2016 Problems → |
| 2017 Infiniti Q50 | 62 | 3 | 4 | View 2017 Problems → |
| 2018 Infiniti Q50 | 42 | 1 | 3 | View 2018 Problems → |
| 2019 Infiniti Q50 | 30 | 3 | 1 | View 2019 Problems → |
| 2020 Infiniti Q50 | 3 | 0 | 0 | View 2020 Problems → |
| 2021 Infiniti Q50 | 4 | 1 | 3 | View 2021 Problems → |
| 2022 Infiniti Q50 | 1 | 0 | 0 | View 2022 Problems → |
| 2023 Infiniti Q50 | 7 | 2 | 0 | View 2023 Problems → |
| 2024 Infiniti Q50 | 0 | 0 | 0 | View 2024 Problems → |
Complete distribution of consumer defect reports across all 46 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 21 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 15 | 1 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 12 | 6 | 0 | 6 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 8 | 4 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 7 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 5 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL | 4 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 4 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 3 | 0 | 1 | 0 | 0 |
| EXTERIOR LIGHTING | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 2 | 1 | 0 | 1 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| STEERING,AIR BAGS | 2 | 1 | 0 | 1 | 0 |
| STEERING,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 2 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 2 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,ELECTRONIC STABILITY CONTROL (ESC),FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 0 | 0 |
| AIR BAGS,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| AIR BAGS,SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| AIR BAGS,SERVICE BRAKES | 1 | 1 | 0 | 2 | 0 |
| ELECTRICAL SYSTEM,SEATS | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 1 | 0 | 0 | 0 | 0 |
| ENGINE AND ENGINE COOLING,POWER TRAIN,SEAT BELTS | 1 | 0 | 1 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,AIR BAGS | 1 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| STEERING,SEATS | 1 | 1 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,UNKNOWN OR OTHER,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2015 Infiniti Q50
In official NHTSA consumer records, the most frequently cited issue area for the 2015 Infiniti Q50 is Powertrain & Transmission, appearing in 39 records (31.2% of submitted filings).
Secondary reported categories include Steering System (28) and Driver Assistance & Safety Tech (22).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 125 consumer defect complaints and 3 safety recall campaigns for the 2015 Infiniti Q50.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2015 Infiniti Q50, 16 filings cite a crash, 2 cite smoke or fire, and 8 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
NHTSA ODI records list 1 formal defect investigation involving the 2015 Infiniti Q50 (all closed).
Federal defect investigations are formal engineering evaluations opened when safety defect trends emerge, and do not by themselves establish a confirmed defect or mandatory recall.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.