Service Manual Revision - This Technical Service Bulletin provides corrections to the description of special tools used to install the oil seal within the Automatic Transaxle sections of the applicable Service Manuals.
full bulletin at NHTSA ↗2020 Mitsubishi Outlander Sport powertrain problems
moderate 6 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
6
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 6 powertrain complaints filed for the 2020 Mitsubishi Outlander Sport, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 6 model years of Mitsubishi Outlander Sport in our records for powertrain problems, this one ranks #3 by owner-complaint volume.
Powertrain accounts for 23% of all owner complaints filed against this vehicle, across 4 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service Manual Revision - This Technical Service Bulletin instructs dealers to diagnose and test drive vehicles exhibiting a shudder or surge condition possibly caused by poor reaction of the hydraulic pressure circuit.
full bulletin at NHTSA ↗Service Manual Revision - This Technical Service Bulletin instructs dealers to diagnose and test drive vehicles exhibiting a shudder or surge condition possibly caused by poor reaction of the hydraulic pressure circuit.
full bulletin at NHTSA ↗Service Manual Revision - This Technical Service Bulletin provides the procedure for diagnostic trouble code and on-vehicle service for belt & pulley assembly on certain CVT models.
full bulletin at NHTSA ↗This Technical Service Bulletin provides service manual corrections to the CVT maintenance procedure.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
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,…
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…
The contact owns a 2020 Mitsubishi Outlander Sport. The contact stated while driving at approximately 40 MPH, the vehicle almost stalled. The contact stated that there was no warning light illuminated. The dealer was contacted to schedule an appointment for a recall repair; however, the contact was unable to take the vehicle to a dealer to have the vehicle diagnosed. The contact had researched…
The contact owns a 2020 Mitsubishi Outlander Sport. The contact stated while driving approximately 40-70 MPH, the vehicle was shaking abnormally and stalled. The check engine warning light illuminated on and off. The vehicle was taken to the dealer where it was diagnosed and determined that the CVT-ECU software needed to be updated. The vehicle was not repaired. The manufacturer was contacted but…
Had powertrain trouble with your 2020 Mitsubishi Outlander Sport?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2020 Mitsubishi Outlander Sport?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 6 complaints filed, powertrain issues most often appear around 64,850 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Mitsubishi/Outlander Sport.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.