How many engine complaints does the 2015 Infiniti Q50 have?

NHTSA lists 27 engine complaints for the 2015 Q50, which is 21% of the 126 total complaints filed for that model year.

Is there an engine recall for the 2015 Infiniti Q50?

No. NHTSA shows no related recalls listed for the engine problem area on the 2015 Q50.

At what mileage do 2015 Q50 engine problems usually occur?

The median mileage at failure reported to NHTSA for engine-area complaints is 60,500 miles.

What kind of engine failures do owners describe?

Owners describe sudden loss of acceleration, transmission slipping or stalling out, speed sensor failures triggering check engine lights, and in one case an underhood fire with smoke and flames.

How does the 2015 Q50 compare to other years for engine complaints?

The 2015 model year has 27 engine complaints, more than 2014's 19, while later years like 2018 and 2019 show higher complaint shares of 43% despite lower raw counts.

2015 Infiniti Q50 Engine Problems

NHTSA lists 27 engine complaints for the 2015 Infiniti Q50, 21% of its 126 total complaints for the year. Median mileage at failure is 60,500 miles, and there is no related engine recall on file for this model year.

Engine complaints: 27; 21% of 126
Crashes reported: 0
Fires reported: 1
Injuries reported: 0
Median mileage: 60,500 mi
Related recalls: 0

Typical engine symptoms owners report

Owners report sudden loss of acceleration and torque at highway speed, sometimes with the check engine light on and a valve body replacement needed.
Several drivers describe a speed sensor failure (codes like P0720/P0500) that causes the transmission to stop shifting and the car to stall on the road.
Some report the vehicle stuck in a single gear, such as 3rd, and unable to shift up or down after a sudden stall.
One case describes engine overheating followed by smoke and flames from under the hood while driving about 50 mph.
A few owners describe jerking, gear shifting, and speed reduction at 70 mph accompanied by the check engine light and HVAC temperature swings.

When 2015 Infiniti Q50 engine complaints were filed

First complaint Nov 2, 2015, latest Jul 15, 2026.

27 complaints filed with NHTSA from Nov 2015 to Jul 2026; peak Aug 2025 (3).

Engine recalls for the 2015 Infiniti Q50

No safety recalls on record for this model year.

Engine complaints by Q50 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

201419 (11%)
201527 (21%)
201613 (33%)
201719 (31%)
201819 (43%)
201913 (43%)
20202 (67%)
20213 (50%)
20220 (0%)
20231 (13%)

Frequently asked questions

How many engine complaints does the 2015 Infiniti Q50 have?: NHTSA lists 27 engine complaints for the 2015 Q50, which is 21% of the 126 total complaints filed for that model year.
Is there an engine recall for the 2015 Infiniti Q50?: No. NHTSA shows no related recalls listed for the engine problem area on the 2015 Q50.
At what mileage do 2015 Q50 engine problems usually occur?: The median mileage at failure reported to NHTSA for engine-area complaints is 60,500 miles.
What kind of engine failures do owners describe?: Owners describe sudden loss of acceleration, transmission slipping or stalling out, speed sensor failures triggering check engine lights, and in one case an underhood fire with smoke and flames.
How does the 2015 Q50 compare to other years for engine complaints?: The 2015 model year has 27 engine complaints, more than 2014's 19, while later years like 2018 and 2019 show higher complaint shares of 43% despite lower raw counts.