How many engine complaints does the 2014 Infiniti Q50 have?

NHTSA lists 19 engine complaints for the 2014 Q50, which is 11% of the 169 total complaints filed for that model year.

Is there a recall for the 2014 Infiniti Q50 engine?

No. The JSON shows no related recalls listed for this engine complaint category.

At what mileage do 2014 Q50 engine problems usually show up?

The median mileage at failure across these engine complaints is 61,529 miles.

Did any 2014 Q50 engine complaints involve crashes or injuries?

Yes, NHTSA data for this engine category shows 1 crash and 1 injury among the reported complaints, with 0 fires.

How does the 2014 Q50 compare to other years for engine complaints?

The 2014 Q50 had 19 engine complaints (11% share), while later years like 2018 and 2019 reached 43% share despite fewer total complaints, suggesting engine issues became a larger portion of complaints in those years.

2014 Infiniti Q50 Engine Problems

NHTSA lists 19 engine complaints for the 2014 Infiniti Q50, 11% of that year's 169 total complaints. There is no related engine recall on file. Median mileage at failure is 61,529 miles.

Engine complaints: 19; 11% of 169
Crashes reported: 1
Fires reported: 0
Injuries reported: 1
Median mileage: 61,529 mi
Related recalls: 0

Typical engine symptoms owners report

Owners report sudden, unexplained deceleration while driving, with the RPM staying elevated but the vehicle failing to respond to the accelerator.
Some describe the vehicle locking up mid-drive, including one case where the car was struck after locking up while merging off a highway.
Several complaints point to a failing output speed sensor, sometimes followed by a diagnosis of transmission valve body or valve assembly control module failure.
One owner reported the transmission would not shift out of second gear and limited the car to 40 mph after the speed sensor and control module failed.
A hybrid-related complaint describes the vehicle unexpectedly propelling forward instead of braking as the engine and hybrid system tried to determine power draw.
One report describes a power steering belt snapping, paired with a loose brake pedal and cruise control that required constant foot pressure to stay engaged.

When 2014 Infiniti Q50 engine complaints were filed

First complaint Jul 29, 2015, latest Jan 29, 2026.

19 complaints filed with NHTSA from Jul 2015 to Jan 2026; peak Jan 2019 (2).

Engine recalls for the 2014 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 2014 Infiniti Q50 have?: NHTSA lists 19 engine complaints for the 2014 Q50, which is 11% of the 169 total complaints filed for that model year.
Is there a recall for the 2014 Infiniti Q50 engine?: No. The JSON shows no related recalls listed for this engine complaint category.
At what mileage do 2014 Q50 engine problems usually show up?: The median mileage at failure across these engine complaints is 61,529 miles.
Did any 2014 Q50 engine complaints involve crashes or injuries?: Yes, NHTSA data for this engine category shows 1 crash and 1 injury among the reported complaints, with 0 fires.
How does the 2014 Q50 compare to other years for engine complaints?: The 2014 Q50 had 19 engine complaints (11% share), while later years like 2018 and 2019 reached 43% share despite fewer total complaints, suggesting engine issues became a larger portion of complaints in those years.