YearToAvoid

2012 Kia Rio Engine Problems

NHTSA lists 29 engine complaints for the 2012 Kia Rio, 54% of its 54 total complaints for that year. Owners report engine fires (8 fires reported) and sudden loss of power or unintended acceleration, with median mileage at failure around 97,000 miles. No related recalls are on file.

Engine complaints
29
54% of 54
Crashes reported
1
Fires reported
8
Injuries reported
1
Median mileage
97,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners describe engine compartment fires starting after the car is parked and turned off, with smoke and flames coming from under the hood.
  • Some drivers report the engine catching fire while in motion, preceded by smoke or a burning smell from the tailpipe.
  • Several complaints describe unintended acceleration or the RPMs revving on their own while parked, in reverse, or while driving.
  • Other owners report a hesitation or delay of a few seconds when accelerating from a stop, along with the engine failing to reach normal speed.
  • A few complaints mention stalling or loss of power accompanied by an illuminated check engine or oil warning light before the vehicle lost power.

When 2012 Kia Rio engine complaints were filed

First complaint Feb 26, 2014, latest Aug 13, 2026.

2012 Kia Rio engine complaints: complaints filed per month2Feb 2014Aug 2015Apr 2018Nov 2019May 2020Feb 2022Nov 2025
29 complaints filed with NHTSA from Feb 2014 to Aug 2026; peak Mar 2020 (2).

Engine recalls for the 2012 Kia Rio

No safety recalls on record for this model year.

Engine complaints by Rio model year

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

  1. 20105 (19%)
  2. 20119 (38%)
  3. 201229 (54%)
  4. 201359 (39%)
  5. 201425 (48%)
  6. 201529 (56%)
  7. 201642 (55%)
  8. 201711 (35%)
  9. 201816 (57%)
  10. 20197 (33%)
  11. 20205 (19%)
  12. 20212 (13%)
  13. 20221 (9%)
  14. 20233 (25%)

Frequently asked questions

How common are engine problems on the 2012 Kia Rio?
NHTSA lists 29 engine complaints for the 2012 Kia Rio, which is 54% of all 54 complaints filed for that model year.
Is there a recall for the 2012 Kia Rio engine?
No related recalls are listed in the NHTSA data for this problem area on the 2012 Kia Rio.
At what mileage do engine problems tend to show up?
The median mileage at failure reported to NHTSA for engine complaints on the 2012 Kia Rio is 97,000 miles.
Do the engine complaints involve fires?
Yes, NHTSA data shows 8 fires reported among the engine-related complaints for the 2012 Kia Rio, along with 1 crash and 1 injury.
Is the 2012 Rio worse for engine problems than other Rio years?
Among the years listed, the 2012 Rio's engine complaints made up 54% of its total complaints, similar to 2015 (56%) and 2016 (55%), and higher than years like 2020 or 2021.

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.