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EnginePart report

2020 Subaru Outback Engine Problems

Complaints
49about this part
Share
5%of 901 total for the year
Median mileage
7,250miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 49 complaints about the engine of the 2020 Subaru Outback, 5% of the 901 complaints for this model year. Where a mileage was given, the median is 7,250 miles. 3 of these say a crash was involved and 3 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“My 2020 Subaru Outback is equipped with the “auto-start-stop “feature. From the beginning this feature would routinely not function, displaying the icon indicating auto start stop was disengaged. When attempting to utilize this feature I learn two more deliberately hold down firmly on the brake pedal and I could engage this feature at times. Nine times out of 10 the auto start stop feature does not engage when I stop in drive with my foot on the break at a traffic light or at a stop sign. …”

NHTSA complaint #11416683, filed 2021-05, 7,000 miles

“Wife reported car stalled when making a turn after stopping. While turning she said it felt like the car was not getting any gas and had no power. She let the vehicle roll to a stop on the side of the road. She said it took several attempts for the car to start back up. This happened 3 times today during a trip to the dentist in the city of lynchburg, virginia. I called terry Subaru of lynchburg when she got home and reported the problem. They told me to bring it in tomorrow to have it checked out.”

NHTSA complaint #11382941, filed 2020-12, 7,800 miles

“In the first year of ownership of my 2020 Subaru Outback, I have experienced many glitches in the operation of the electronica safety devices. The latest has been returning to the car and finding the battery fully discharged despite nothing being left in the “on position“. Yesterday, after fully charging the battery, four hours later the battery was found to be fully drained. I boosted the car and began to drive it when at the first traffic light the auto-start-stop feature shut the car off and I could not re-start in the middle of an intersection.”

NHTSA complaint #11416673, filed 2021-05, 15,000 miles

“There is no way to disable the auto start/stop system. In florida the temp can get over 95 degrees. After 10-15 seconds of the car being off the car starts to heat up. My wife who has breathing problems starts having problems. I have ask the dealer to permanently disable this feature but they said no. You can do it each time you start the car but it is several screens deep on the information system. People who do not drive the car often (like my wife) would have trouble turning this feature off and could pass out sitting at a light. …”

NHTSA complaint #11328765, filed 2020-06, 6,100 miles

“Battery is inadequate for the electronics in this car and will be dead if not driven often. After being a unable to start my car twice within a month, the service manager admitted this was a design flaw, there is no other upgrade or replacement for the battery and that the factory recommendation is to drive the car every other day. This means that when I travel and leave my car in an airport parking lot for a week or more, I will not be able to start the car when I return. The service manager told me to disconnect the negative post at the airport, then reconnect the post when I return. …”

NHTSA complaint #11323869, filed 2020-05, 4,500 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202556%
202477%
202311%
2022235%
2021217%
2020495%
2019394%
2018375%
2017445%
2016538%
2015479%
20143517%
20136723%
20125017%
20118513%
20104412%
20091514%
2008146%
20071512%
20064316%
2005104%
200422%
200355%
200254%
200031%

Other parts of the 2020 Subaru Outback

Visibility (wipers, defrost, mirrors)
383 complaints
Electrical system
259 complaints
Other or unknown
153 complaints
Forward collision avoidance
49 complaints
Transmission and drivetrain
48 complaints
Body and structure
21 complaints
Lane departure
20 complaints
Air bags
18 complaints
Vehicle speed control
18 complaints
Exterior lighting
16 complaints
Brakes
15 complaints
Fuel system
15 complaints

← All problems reported for the 2020 Subaru Outback

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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