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BrakesPart report

2018 Infiniti Q50 Brakes Problems

Complaints
3about this part
Share
7%of 44 total for the year
Median mileage
48,350miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the brakes of the 2018 Infiniti Q50, 7% of the 44 complaints for this model year. Where a mileage was given, the median is 48,350 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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 having the brake pedal depressed to the limit, the engine was revving very high. The vehicle crossed the median and came to a stop on the opposite travel lane of the street after the engine went to idle speed. …”

NHTSA complaint #11193000, filed 2019-04, 8,700 miles

“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 pads and rotors replaced. However, less than one month after the replacement of the pads and rotors, there was an abnormal grinding sound coming from the front passenger’s side brakes. …”

NHTSA complaint #11693654, filed 2025-10, 88,000 miles

“Car has white smoke coming from the exhaust and the oil level keeps decreasing. Car stalls and takes time to accelerate P0106 code pops up from engine. There’s a rattle and whine noise coming from the engine bay. Also the gas was stuck accelerating. Had to switch the car to neutral so it does continue accelerating. After switching to neutral I was able to decrease power to the wheels and had to pull over on the road.”

NHTSA complaint #11649920, filed 2025-03

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
2023225%
201927%
201837%
2017711%
201613%
20151210%
2014148%

Other parts of the 2018 Infiniti Q50

Engine
17 complaints
Air bags
9 complaints
Electrical system
6 complaints
Fuel system
6 complaints
Other or unknown
6 complaints
Back-over prevention (rear camera)
3 complaints
Transmission and drivetrain
3 complaints
Wheels
3 complaints
Engine cooling
2 complaints
Vehicle speed control
2 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2018 Infiniti Q50

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology