2021 Mitsubishi Outlander Sport Engine Problems
- Complaints
- 5about this part
- Share
- 26%of 19 total for the year
- Median mileage
- 3,450miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine of the 2021 Mitsubishi Outlander Sport, 26% of the 19 complaints for this model year. Where a mileage was given, the median is 3,450 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“This was in a rental from National Car Rental from the Las Vegas airport. I was driving down the road at about 65-70 MPH when the vehicle's brakes just slammed on, and everything about the car just died. There was a huge groaning sound as it happened - kind of like when you are in 'park' and push the gas pedal and it revs really high. I tried shifting into neutral, nothing changed, and all the lights and functions of the car went out. I did my best to direct (couldn't steer) the car to the edge of the road. It was a busy remote highway, I was in the 'fast' lane. …”
NHTSA complaint #11464938, filed 2022-05“At freeway speeds in the heat the vehicle intermittently and suddenly flashes yellow check engine light and vehicle shakes as it loses most of the engine power, forcing a slow or stop to limp it off the highway. No warnings no noises no change in emissions noted. Calls to dealerships and have been told they don't know what it is and haven't heard of any issues.”
NHTSA complaint #11765535, filed 2026-09“The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated that the catalytic converter was stolen from the vehicle, and a new catalytic converter was installed. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle with catalytic converter failure. The vehicle was not repaired. The contact called the dealer, but no assistance was provided. The failure persisted. …”
NHTSA complaint #11710012, filed 2026-01, 6,000 miles“The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving at an undisclosed speed, the engine misfired and the vehicle stalled. There were no warning lights illuminated. The local dealer was notified of the failure but the vehicle was not diagnosed or repaired. The contact associated the failure with NHTSA Campaign Number: 22V563000 (Power Train). The manufacturer was not contacted. The approximate failure mileage was 900.”
NHTSA complaint #11488905, filed 2022-10, 900 miles“Multiple and random Cylinder misfires. fixed more than three times and continuously, same issue. many issues with revving up. safety risk while driving due to stalling.”
NHTSA complaint #11606093, filed 2024-08Related service bulletins
- 10210119Mar 9, 2022This Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 9% |
| 2021 | 5 | 26% |
| 2020 | 8 | 31% |
| 2019 | 5 | 19% |
| 2018 | 1 | 5% |
| 2017 | 5 | 19% |
| 2016 | 8 | 31% |
| 2015 | 35 | 19% |
| 2014 | 4 | 10% |
| 2013 | 4 | 10% |
| 2012 | 2 | 14% |
| 2011 | 8 | 27% |
Other parts of the 2021 Mitsubishi Outlander Sport
6 complaintsOther or unknown
4 complaintsForward collision avoidance
3 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
3 complaintsLane departure
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine cooling
1 complaintsFuel system
1 complaintsSeat belts
1 complaints
← All problems reported for the 2021 Mitsubishi Outlander Sport
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology