Problems owners report
Complaints filed with NHTSA about the 2018 Infiniti Q50, by the system named in each complaint. One complaint can name several.
- Engine17
- Air bags9
- Electrical system6
- Fuel/propulsion system6
- Unknown or other6
- Wheels3
- Power train3
- Back over prevention3
- Vehicle speed control2
- Service brakes2
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 49 2018 Q50 vehicles were involved in crashes on US public roads in which someone died; 35 people died inside them, and 10 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2018 Infiniti Q50 failed the safety check 1.07% of the time — 35% less often than the average 2018 passenger car (1.65%). Median odometer at inspection: 48,889 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Registered new in Europe in 2018
1,426 new Infiniti Q50 cars were registered in the EU, Norway and Iceland in 2018; the largest markets were Poland (464), Spain (332), the United Kingdom (266).
- Average mass
- 1,747 kg
- Average CO₂
- 151 g/km (NEDC)
- Average power
- 160 kW
- Fuel type recorded
- Diesel 51% · Petrol 49%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
In the United Kingdom
239 cars built in 2018 were licensed for the road at the end of 2025, and 7 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
MOT test results in Great Britain
In 2023, 263 of these cars first registered in 2018 took their annual MOT test. 78% passed first time; among all cars first registered in 2018 the figure was 84%.
| Failed on | These cars | All cars from 2018 |
|---|---|---|
| Brakes | 9.1% | 2.9% |
| Tyres | 9.1% | 5.2% |
| Visibility | 4.2% | 3.6% |
| Suspension | 3.0% | 1.6% |
| Lamps, reflectors and electrical equipment | 1.9% | 4.0% |
| Body, chassis, structure | 0.8% | 0.6% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In New Zealand
9 2018 cars are on the New Zealand register; 11% arrived as used imports, 78% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Crash-test ratings
NHTSA 5-star results for 2 variants; not yet fully rated. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2018 Infiniti Q50 4 DR AWD | — | 9.7 % |
| 2018 Infiniti Q50 4 DR RWD | — | 9.7 % |
- Electronic stability control
- Standard
- Forward collision warning
- Optional
- Lane departure warning
- Optional
- Best overall rating
- —
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 3 variants: combined 9.7–11.1 L/100 km (about 21–24 mpg US), CO₂ 228–260 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Q50 AWD · Mid-size · Premium gasoline | 10.7 | 8.6 | 9.7 |
| Q50 AWD · Mid-size · Premium gasoline | 12.4 | 8.7 | 10.8 |
| Q50 AWD Red Sport · Mid-size · Premium gasoline | 12.5 | 9.3 | 11.1 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2018 Infiniti Q50.
| 2019459 13 Sept 2019 | Visual System Issue: On certain vehicles, the rear view camera system does not return to the default setting when the transmission is shifted to reverse. This could cause a… |
| 2017375 27 Jul 2017 | Fuel System On certain vehicles, and incorrect fuel pressure map was used in the Fuel Pump Control Module (FPCM) software as a result, the pressure regulator may fail to op… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Nissan North America, Inc. (Nissan) is recalling certain 2018-2019 Nissan Altima, Armada, Frontier, Kicks, Leaf, Maxima, Murano, NV, NV200, Pathfinder, Rogue, Rogue Sport, Sentra, Titan, Titan Diesel, Versa Note and Versa Sedan vehicles, as well as Infiniti Q50, Q60, QX30 and QX80 vehicles. Additionally included are 2019 Nissan GT-R and Taxi and Infiniti QX50, QX60, Q70, Q70L vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Nissan North America, Inc. (Nissan) is recalling certain 2016-2018 Infiniti Q50 and 2017 Infiniti Q60 vehicles equipped with a 2.0L engine. Incorrect Fuel Pump Control Module (FPCM) software may allow the fuel level in the main tank to be too low to supply fuel to the engine, causing the engine to stall while driving.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Infiniti told its dealers about the 2018 Infiniti Q50: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11009064 | DTC B00A0-00 STOREIF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the next page)D |
| 11004954 | INTELLIGENT KEY INITIALIZATION PROCEDURE STOPS OR WILL NOT CONTINUE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin. |
| 11002539 | INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11002537 | CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001653 | CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001187 | AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001182 | WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001179 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001177 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10251530 | SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of ITB23-010. |
| 10249897 | SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. HINT: Initially, the Infotainment Software Update Utility will be available only on the CONSULT PC version of ASIST. The Utility will be added to ASIST WEB at a later date. Please discard previous versions of ITB23-010. |
| 10249891 | TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10246431 | TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10246428 | MIL ON WITH DTC(S) STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10242043 | SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10242042 | SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10242041 | TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10240534 | DTC P0744 STORED IN THE TCM IF YOU CONFIRM DTC P0744 (TORQUE CONVERTER) is stored as PAST or CURRENT in the TCM. ACTION Follow the SERVICE PROCEDURE in this bulletin to reprogram the TCM. |
| 10239069 | ISS Reprogram Voluntary Emission Recall Campaign REVISED June 14, 2023 Please discard earlier versions of this bulletin. The announcement from June 10, 2023 has been revised to include the following: INFINITI has expanded the investigation of a potential issue with the repair remedy to include model years 2018-2019 Q50 and Q60 vehicles. Repairs on all vehicles are temporarily suspended while INFINITI investigates the remedy. As a result, all vehicles affected by this campaign will be temporarily deactivated in Service Comm and National Service History. An update will be provided |
| 10239068 | ISS Reprogram Voluntary Emission Recall Campaign REVISED June 10, 2023 Please discard earlier versions of this bulletin. The announcement from May 5, 2023 has been revised to include the following: INFINITI is investigating a potential issue with the repair remedy for model years 2016-2017 Q50 and Q60 vehicles. As a result, these affected vehicles will be temporarily deactivated in Service Comm and National Service History. Repairs on these vehicles are temporarily suspended while INFINITI investigates the remedy. An update will be provided at a later date If there are claim proc |
| 10237598 | Daimler ISS Reprogram Voluntary Emission Recall Campaign ***** Campaign Summary ***** INFINITI is conducting a Voluntary Emissions Recall Campaign on certain MY2016-2019 INFINITI Q50 and MY2017-2019 INFINITI Q60 vehicles to reprogram the Engine Control Module (ECM). The ECM reprogram is intended to improve the Idle Stop/Start functionality after 250,000 starter operations. Affected vehicles are subject to stop sale. ***** What Retailers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Recall Campaign using Service Comm or DBS National Service History Open Campaign |
| 10237560 | VOLUNTARY EMISSIONS RECALL CAMPAIGN 2016-2019 Q50/Q60; ENGINE CONTROL MODULE INTRODUCTION Infiniti is conducting this voluntary emissions recall campaign on certain specific model year 2016-2019 Q50 and 2017-2019 Q60 vehicles. The Engine Control Module (ECM) will be inspected, and if necessary, reprogrammed and configured. This service will be performed at no charge to the client for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number R22D1 to this campaign. This number must appear on all communication and documentation of any nature dealing with this c |
| 10235695 | SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10235461 | REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10235451 | HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
NHTSA manufacturer communications (public domain)