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EnginePart report

2020 Mitsubishi Outlander Sport Engine Problems

Complaints
8about this part
Share
31%of 26 total for the year
Median mileage
63,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the engine of the 2020 Mitsubishi Outlander Sport, 31% of the 26 complaints for this model year. Where a mileage was given, the median is 63,000 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.

“I have 50,000 miles I’m the original owner, bought it new in 2020, I was leaving work, started my car, blue smoke came out my exhaust, when i drove home from work, on inclines, the car sputters & stalls like it’s about to lose power, accompanied by thick blue smoke, and engine noise. I suspect it’s the piston rings in the cylinder head or valve seals are bad. My car has been parked for months, dealership wants to charge me a diagnostic fee, i take Uber or Lyft to work mind you i have an open loan on this car that I’m still paying. …”

NHTSA complaint #11562682, filed 2023-12

“The contact owns a 2020 Mitsubishi Outlander Sport. The contact stated that while driving at an undisclosed speed, the vehicle briefly hesitated before returning to normal functionality. The check engine warning light was illuminated. The vehicle was taken to the dealer, who was unable to determine a cause for the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 45,000.”

NHTSA complaint #11594010, filed 2024-06, 45,000 miles

“The contact owns a 2020 Mitsubishi Outlander Sport. The contact stated while driving 65 MPH, the vehicle deaccelerated unintendedly and the check engine warning light illuminated. The contact pulled into a gas station. The vehicle was towed to the dealer, where it was diagnosed that the spark plug was fractured, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was 81,000.”

NHTSA complaint #11514046, filed 2023-03, 81,000 miles

“The vehicle has exhibited recurring ignition-system and powertrain malfunctions involving repeated ignition-coil failures, engine misfires, and catalyst-system efficiency faults. These issues cause intermittent loss of power, hesitation during acceleration, and unstable engine performance. The malfunction has occurred multiple times since the date of purchase and has been confirmed through diagnostic trouble codes related to misfire events and catalyst-system operation. …”

NHTSA complaint #11701428, filed 2025-11

“The contact owns a 2020 Mitsubishi Outlander Sport. The contact received notification NHTSA Campaign Number: 22V563000 (Power Train) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was made aware of the issue. The contact stated that while the vehicle was parked, the vehicle failed to start. The check engine warning light was illuminated. The vehicle was towed to the residence. The manufacturer was notified of the failure. …”

NHTSA complaint #11576700, filed 2024-03

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202219%
2021526%
2020831%
2019519%
201815%
2017519%
2016831%
20153519%
2014410%
2013410%
2012214%
2011827%

Other parts of the 2020 Mitsubishi Outlander Sport

Other or unknown
7 complaints
Transmission and drivetrain
6 complaints
Electrical system
5 complaints
Seat belts
3 complaints
Air bags
1 complaints
Brakes
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2020 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