The 2018 Infiniti Q50 is associated with 42 official NHTSA owner defect complaints and 3 safety recall campaigns in the federal safety database. The most frequently reported component area is Engine, accounting for 10 reports (24% of total complaints). EPA testing covers 8 certified vehicle configurations spanning 3.5L 6-Cyl hybrid, 2l 4-cyl, and 3l 6-cyl configurations. Gasoline and hybrid variants deliver 22 to 29 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.
Key Data Findings
- • NHTSA Owner Complaints: 42 reports
- • Safety Recall Campaigns: 3 campaigns
- • Top Reported Defect Area: Engine (10 / 24%)
- • Safety Incident Signals: 1 crash / 1 fire / 0 injury reports
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 22–29 MPG (8 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| Q50 Hybrid Hybrid | 3.5L 6-Cyl | Rear-Wheel Drive | Automatic (S7) | 27 MPG | 32 MPG | 29 MPG | — | $2,600 / yr |
| Q50 Hybrid AWD Hybrid | 3.5L 6-Cyl | All-Wheel Drive | Automatic (S7) | 26 MPG | 30 MPG | 28 MPG | — | $2,700 / yr |
| Q50 | 2L 4-Cyl | Rear-Wheel Drive | Automatic (S7) | 23 MPG | 30 MPG | 25 MPG | — | $3,050 / yr |
| Q50 AWD | 2L 4-Cyl | All-Wheel Drive | Automatic (S7) | 22 MPG | 28 MPG | 24 MPG | — | $3,150 / yr |
| Q50 | 3L 6-Cyl | Rear-Wheel Drive | Automatic (S7) | 20 MPG | 29 MPG | 23 MPG | — | $3,300 / yr |
| Q50 AWD | 3L 6-Cyl | All-Wheel Drive | Automatic (S7) | 19 MPG | 27 MPG | 22 MPG | — | $3,450 / yr |
| Q50 Red Sport | 3L 6-Cyl | Rear-Wheel Drive | Automatic (S7) | 20 MPG | 26 MPG | 22 MPG | — | $3,450 / yr |
| Q50 Red Sport AWD | 3L 6-Cyl | All-Wheel Drive | Automatic (S7) | 19 MPG | 26 MPG | 22 MPG | — | $3,450 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4 DR AWD | Not Rated | Not Rated | Not Rated | | 9.700000000000001% |
| Hybrid 4 DR AWD | Not Rated | Not Rated | Not Rated | | 9.700000000000001% |
| Hybrid 4 DR RWD | Not Rated | Not Rated | Not Rated | | 9.700000000000001% |
| 4 DR RWD | Not Rated | Not Rated | Not Rated | | 9.700000000000001% |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2018 Infiniti Q50 models.
View complete 2018 Infiniti Q50 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2018 Infiniti Q50 problems & component breakdown (24 categories) →
Affected Component: POWER TRAIN:DRIVELINE:DRIVESHAFT
Defect Summary: 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.
Free Manufacturer Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
Affected Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Defect Summary: 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."
Free Manufacturer Remedy: Nissan will notify owners in phases, having dealers update the back-up camera settings software, free of charge. The recall began November 11, 2019 and all affected VINs should be activated. Owners may contact Nissan customer service at 1-800-867-7669 or INFINITI customer service at 1-800-662-6200.
Affected Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Defect Summary: 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.
Free Manufacturer Remedy: Nissan will notify owners, and Infiniti dealers will reprogram the Fuel Pump Control Module (FPCM) with corrected software, free of charge. The recall began August 29, 2017. Owners may contact Infiniti customer service at 1-800-662-6200.
View all 2018 Infiniti Q50 recalls & campaign history (3 campaigns) →