The Lane Check

Cars › Subaru › Outback › 2021

2021 Subaru Outback problems: engine and transmission complaints and recalls

NO ELEVATED SIGNAL
13%
36 of 296 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2021 Subaru Outback. Engine, transmission and fuel system account for 13% of relevant complaints.

Better than 95% of the 1,790 model years we track (2010–2023).

NHTSA data checked October 17, 2026
Share this car

The VIN is on the listing, the driver’s door jamb, and the bottom of the windshield on the driver’s side.

Does the 2021 Subaru Outback have engine or transmission problems?

Not as a pattern, going by owner complaints. 36 of 296 relevant complaints filed with NHTSA about the 2021 Subaru Outback concern the engine, transmission or fuel system (13%). For comparison, the 2020 scores 11% and the 2022 scores 9%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
36
engine, transmission, fuel
Total complaints
296
this model year
Fires reported
1
owner-reported
Recall campaigns
4
9 crashes · 4 injuries

Complaints by component

VISIBILITY/WIPER97 · 33%
ELECTRICAL SYSTEM75 · 25%
UNKNOWN OR OTHER65 · 22%
FORWARD COLLISION AVOIDANCE29 · 10%
ENGINE21 · 7%
VEHICLE SPEED CONTROL19 · 6%

The years either side

2010
52%
148 of 360
2011
62%
288 of 652
2012
62%
146 of 292
2013
49%
122 of 297
2014
41%
67 of 208
2015
18%
89 of 509
2016
16%
99 of 642
2017
11%
97 of 917
2018
10%
82 of 812
2019
7%
72 of 1,034
2020
11%
98 of 899
2021
13%
36 of 296
2022
9%
40 of 464
2023
9%
7 of 89

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

In the full report

The rest of the picture on the 2021 Subaru Outback

What one owner reported

POWER TRAIN,ENGINE08/20/2026
Good Day! I bought my 2021 Subaru Outback XT Onyx in Jan 2021. I had waiting 6 yrs for Subaru to use the Turbo Motor in the Outback again. I've had this car for 5 years with my warranty running out Jan 2026, but I only drive 5000-7000 miles per/yr. Current odometer is 29,901 miles. At my most recent oil change service …

One of 36 drivetrain complaints. The full report shows them, with quotes about the engine in the car you are looking at first.

Are there engine or transmission recalls on the 2021 Subaru Outback?

Yes. NHTSA lists 3 recall campaigns on the 2021 Subaru Outback involving the engine, transmission or fuel system, out of 4 in total. A recall is the manufacturer admitting a defect and paying to fix it; whether a specific car still has one open depends on its VIN, which the full report checks. The owner complaints above are a separate record and often point at problems that never became a recall.

power train: automatic transmission: park/neutral start interlock switch23V755000 · Nov 2023

Subaru of America, Inc. is recalling certain model year 2021 Crosstrek, 2022 Forester, 2021-2023 Legacy, and Outback vehicles. An insufficient weld may allow water to enter the inhibitor switch, causing it to fail.

Risk: An inoperative inhibitor switch may prevent the reverse lights from illuminating and the rearview camera image from displaying, increasing the risk of a crash.

Fix: Dealers will replace the inhibitor switch, free of charge. Owner notification letters were mailed January 8, 2024. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is…

power train: automatic transmission: control module (tcm/pcm/tecm)22V485000 · Jul 2022

Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.

Risk: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.

Fix: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free…

power train: shift linkage/cable/rod21V024000 · Jan 2021

Subaru of America, Inc. (Subaru) is recalling certain 2021 Outback and Impreza vehicles. The continuously variable transmission (CVT) select lever cable nut may not have been tightened properly, allowing the nut to loosen.

Risk: A loose nut can lead to a lost of retention in the CVT select lever cable and the gear selector not functioning properly, increasing risk of crash.

Fix: Subaru will notify owners, and dealers will inspect, and, if necessary, tighten the nut, free of charge. The recall began February 12, 2021. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's…

1 other recall on this model year (airbags, lighting, brakes and the rest)
air bags: sensor: occupant classification: front passenger24V227000 · Mar 2024
Subaru of America, Inc. (Subaru) is recalling certain 2020-2022 Outback and Legacy vehicles. A capacitor in the sensors for the Occupant Detection System (ODS) may crack and short circuit, which can…

Source: NHTSA recall campaigns filed against this year, make and model. Checked October 17, 2026.

Checking one particular 2021 Subaru Outback? This page is about the model year. Accidents, title brands and odometer records belong to the individual car, and that is what a vehicle history report covers.

Get a history report from EpicVIN Before you pay: EpicVIN’s $1 offer is a 3-day trial (up to 5 reports) that renews at $49.99 a month unless you cancel. Other plans are listed under “View all our packages” at checkout. We may earn a commission if you buy through this link. It does not change what this page reports.

Questions people ask about the 2021 Subaru Outback

Does the 2021 Subaru Outback have engine or transmission problems?

Not as a pattern, going by owner complaints. 36 of 296 relevant complaints filed with NHTSA about the 2021 Subaru Outback concern the engine, transmission or fuel system (13%). It describes the model year, not any one car, so an inspection still matters.

Are there engine or transmission recalls on the 2021 Subaru Outback?

Yes. NHTSA lists 3 recall campaigns on the 2021 Subaru Outback involving the engine, transmission or fuel system, out of 4 in total: 23V755000 (power train: automatic transmission: park/neutral start interlock switch), 22V485000 (power train: automatic transmission: control module (tcm/pcm/tecm)), 21V024000 (power train: shift linkage/cable/rod). Whether a specific car still has one open depends on its VIN.

Which Subaru Outback years are better?

Among the Subaru Outback years we track, the 2019 (7%), the 2022 (9%) and the 2023 (9%) have a lower engine and transmission complaint share than the 2021 (13%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2021 Subaru Outback?

That depends on the car in front of you, not just the model year. The 2021 Subaru Outback shows no elevated engine or transmission pattern in owner complaints, which is a good starting point. It is still one car with its own history, so get an independent pre-purchase inspection and a vehicle history report before you commit.

Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.

Check a VIN

Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.