YearToAvoid

2015 Mazda CX-5 Engine Problems

NHTSA lists 26 engine complaints for the 2015 Mazda CX-5, 20% of its 133 total complaints that year. Owners reported sudden power loss, unexpected deceleration, and unintended acceleration at a median mileage of 35,500. No related recalls are listed for this issue.

Engine complaints
26
20% of 133
Crashes reported
4
Fires reported
0
Injuries reported
0
Median mileage
35,500 mi
Related recalls
0

Typical engine symptoms owners report

  • Vehicle suddenly loses power and won't respond to the accelerator while merging or accelerating onto the freeway, sometimes with the check engine light on.
  • Vehicle unexpectedly decelerates from highway speed to a much slower speed without warning, and the issue recurs.
  • Vehicle accelerates on its own while stopped at a traffic light without the driver pressing the pedal.
  • The smart city braking system triggers unexpectedly, in one case reacting to steam from a sewer grate and bringing the car to a sudden stop.

When 2015 Mazda CX-5 engine complaints were filed

First complaint Nov 12, 2014, latest Aug 1, 2024.

2015 Mazda CX-5 engine complaints: complaints filed per month3Nov 2014Mar 2015Sep 2016Jul 2017Feb 2018May 2019May 2021Aug 2024
26 complaints filed with NHTSA from Nov 2014 to Aug 2024; peak May 2019 (3).

Engine recalls for the 2015 Mazda CX-5

No safety recalls on record for this model year.

Engine complaints by CX-5 model year

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

  1. 20121 (100%)
  2. 201356 (29%)
  3. 201446 (12%)
  4. 201526 (20%)
  5. 201649 (10%)
  6. 201720 (14%)
  7. 2018190 (54%)
  8. 2019142 (53%)
  9. 202022 (21%)
  10. 202188 (60%)
  11. 202214 (22%)
  12. 202315 (24%)
  13. 202411 (25%)
  14. 20259 (33%)

Frequently asked questions

How many engine complaints does NHTSA have for the 2015 Mazda CX-5?
NHTSA lists 26 engine-related complaints for the 2015 CX-5, which is 20% of the 133 total complaints filed for that model year.
Is there a recall for the 2015 Mazda CX-5 engine problems?
No related recalls are listed for the engine complaint area on the 2015 CX-5.
At what mileage do 2015 Mazda CX-5 engine problems usually appear?
The median mileage at failure for engine-related complaints on the 2015 CX-5 is 35,500 miles.
What kind of engine problems do 2015 CX-5 owners report?
Owners describe sudden loss of power while accelerating, unexpected deceleration from highway speed, unintended acceleration at a stop, and false activation of the smart city braking system.
Did the engine problems cause any crashes?
NHTSA data tied 4 crashes to complaints in the engine problem area for the 2015 CX-5, with no reported fires or injuries.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.