KnownCarProblems2018 Infiniti Q50 Problems and Recalls
Owners filed 44 complaints with NHTSA about the 2018 Infiniti Q50, most often about the engine (41% of complaints, typically around 22,000 miles). It is 4th of 10 Q50 model years by number of complaints and has 3 recalls.
Most common 2018 Infiniti Q50 problems
Engine
18 complaints · 41%Half of these problems showed up before 22,000 miles.
The serpentine belt makes consistent noise in all types of weather. Already had the dealer replace it once. Noise came back and the dealer now says it could be the tensioner pulley.
While I was driving my Infiniti on the highway my serpentine belt snapped 4 different times while in motion. All within one year. Including me getting my car back from the dealer and them letting me have it back that way. Also, the tires are horrendous, from day one, they pulled the car left or right on the car. All…
Air bags
9 complaints · 21%The contact owns a 2018 Infiniti Q50. The contact stated while driving 45 MPH, the air bag warning light illuminated and after which the vehicle started to hesitate. The vehicle has been taken to local dealer (lake norman Infiniti located at 20435 chartwell center dr, cornelius, nc 28031) on five different occasion.…
The contact owns a 2018 Infiniti Q50. The contact stated that while driving at an undisclosed speed, the front passenger occupant classification system (ocs) sensor became inoperable. The vehicle was taken to the dealer, where it was diagnosed that the front passenger ocs sensor had failed and needed to be replaced.…
Other or unspecified
6 complaints · 14%Fuel system
6 complaints · 14%Gas mileage is verry bad ! In city only my car give me 14 mpg and hwy 18mpg Infiniti say is. 20mpg city and 29hwy. And combined 22mpg
Electrical
6 complaints · 14%Parts named most often: instrument panel.
The contact owns a 2018 Infiniti Q50. The contact stated that the back-up screen would not display while the gear was in reverse. The cause of the failure was not determined. Nissan of athens (4735 atlanta hwy, athens, ga) and the manufacturer were notified of the failure, but no assistance was offered. The contact…
The contact owns a 2018 Infiniti Q50. The contact stated while driving 45 MPH, the air bag warning light illuminated and after which the vehicle started to hesitate. The vehicle has been taken to local dealer (lake norman Infiniti located at 20435 chartwell center dr, cornelius, nc 28031) on five different occasion.…
Wheels and tires
3 complaints · 7%Run flat tires went flat on a pothole that was not even realized on a sunday with no service station open. Even if they were, the tire has to be replaced, cannot be repaired. There is no spare tire option- when contacted, company refused " not possible". This is not safe at all and must be addressed. Must have spare…
While I was driving my Infiniti on the highway my serpentine belt snapped 4 different times while in motion. All within one year. Including me getting my car back from the dealer and them letting me have it back that way. Also, the tires are horrendous, from day one, they pulled the car left or right on the car. All…
Brakes
3 complaints · 7%As I was parking the vehicle at 5mph behind a parked car, with the front tires slightly turned to the left, the brake pedal was depressed, the vehicle suddenly accelerated but the vehicle failed to stop. Resulting in hitting the vehicle in front and pushing it out of the way, the vehicle continued moving despite…
The contact's son owns a 2018 Infiniti Q50. The contact stated that soon after purchasing the vehicle, there was an abnormal screeching sound coming from the brakes while depressing the brake pedal. There was no warning light illuminated. The contact's son took the vehicle to an independent mechanic to have the brake…
Backup camera
3 complaints · 7%Parts named most often: sensing system.
The contact owns a 2018 Infiniti Q50. The contact stated that the back-up screen would not display while the gear was in reverse. The cause of the failure was not determined. Nissan of athens (4735 atlanta hwy, athens, ga) and the manufacturer were notified of the failure, but no assistance was offered. The contact…
The contact owns a 2018 Infiniti Q50. The contact stated that the back-up camera was flickering while in use. The contact stated that over time, the back-up camera screen had gone blank and failed to operate as needed. Upon investigation, the contact discovered NHTSA campaign number: 19v654000 (back over prevention)…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2018 Infiniti Q50 recalls
Transmission: driveshaft
Risk: A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.
Fix: 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.
Full 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.
Backup camera: camera
Risk: The lack of an image in the back-up camera display increases the risk of a crash.
Fix: 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.
Full 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."
Electrical: software
Risk: An engine stall can increase the risk of a crash.
Fix: 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.
Full 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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2018 Infiniti Q50
- What are the most common problems with the 2018 Infiniti Q50?
- By NHTSA owner complaints: engine (18 complaints, typically around 22,000 miles); air bags (9 complaints); other or unspecified (6 complaints).
- How many recalls does the 2018 Infiniti Q50 have?
- 3 recalls listed by NHTSA, the latest from June 21, 2024 (transmission). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2018 a bad year for the Infiniti Q50?
- It is 4th of 10 Q50 model years by number of complaints, with 44 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.