YearToAvoid

2014 Mazda Mazda6 Engine Problems

The 2014 Mazda6 has 24 engine-area complaints to NHTSA, 18% of its 137 total complaints for the year, with a median failure mileage of 39,000. There are no related recalls listed for this issue, and the complaints include 4 crashes and 2 injuries.

Engine complaints
24
18% of 137
Crashes reported
4
Fires reported
0
Injuries reported
2
Median mileage
39,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report sudden unintended acceleration while idling, parking, or braking, sometimes resulting in a crash into a pole, tree, or curb.
  • Some describe the engine revving on its own from idle to high RPM while stopped at a light or holding the brake in traffic, causing the car to lurch forward.
  • Others report a sudden loss of engine power while accelerating or passing, with the car unable to exceed low speed and the check engine light activating.
  • Several complaints involve the engine stalling and failing to restart, in one case described by a dealer as a seized engine after driving through rain.
  • Owners also report the adaptive cruise control and related safety systems (MRCC, smart city brake support) failing or shutting off unexpectedly, sometimes tied to warning lights alongside engine symptoms.

When 2014 Mazda Mazda6 engine complaints were filed

First complaint Mar 21, 2013, latest Oct 15, 2024.

2014 Mazda Mazda6 engine complaints: complaints filed per month2Mar 2013Jun 2015Feb 2016Jul 2017Dec 2018Sep 2019Jul 2021
24 complaints filed with NHTSA from Mar 2013 to Oct 2024; peak Jun 2014 (2).

Engine recalls for the 2014 Mazda Mazda6

No safety recalls on record for this model year.

Engine complaints by Mazda6 model year

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

  1. 20106 (3%)
  2. 20114 (3%)
  3. 20123 (3%)
  4. 20130 (0%)
  5. 201424 (18%)
  6. 20156 (10%)
  7. 201613 (17%)
  8. 20174 (7%)
  9. 201833 (57%)
  10. 20191 (17%)
  11. 20201 (50%)
  12. 202113 (76%)

Frequently asked questions

Does the 2014 Mazda6 have engine problems?
Yes. NHTSA lists 24 engine-area complaints for the 2014 Mazda6, which is 18% of all 137 complaints filed for that model year, with a median failure mileage of 39,000.
Is there a recall for the 2014 Mazda6 engine issue?
No related recalls are listed in NHTSA data for this engine complaint area on the 2014 Mazda6.
What do owners describe with the engine problem?
Owners describe sudden unintended acceleration, unexplained engine revving while stopped, sudden power loss while driving, and stalling that in some cases left the engine unable to restart.
How serious are these engine complaints?
NHTSA data tied to this complaint area for the 2014 Mazda6 shows 4 crashes and 2 injuries reported among the complaints, with no fires reported.
At what mileage do these engine problems tend to show up?
The median mileage at failure for engine-area complaints on the 2014 Mazda6 is 39,000 miles, based on NHTSA complaint data.

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.