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2010 Subaru Legacy problems: engine and transmission complaints and recalls
65% of relevant owner complaints filed with NHTSA on the 2010 Subaru Legacy are about the engine, transmission or fuel system. Well over half of everything owners reported is the drivetrain. That is a severe model-level pattern; every model year we track at this level has a documented failure behind it.
Worse than 87% of the 1,790 model years we track (2010–2023).
Excludes 38 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 49%).
Does the 2010 Subaru Legacy have transmission problems?
Owner complaints say yes, heavily, as a model-year pattern. 73 of 112 relevant complaints filed with NHTSA about the 2010 Subaru Legacy concern the engine, transmission or fuel system (65%), and the largest group is filed under power train (50). For comparison, the 2011 scores 54%. On a test drive, check for shuddering, slipping, delayed or harsh shifts, or a whine at speed. 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.
Complaints by component
The years either side
Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.
How the 2010 compares with other Subaru Legacy years
Of the 13 Subaru Legacy years with enough complaints to score, the 2010 is the 2nd-worst on engine and transmission share (65%). The worst is the 2012 (66%), the best the 2022 (3%). By volume, the 2010 drew 150 complaints (73 drivetrain), against 167 for the 2011.
Subaru Legacy years to avoid and best years →
2010 · 2011 Legacy problems · 2012 Legacy problems · 2013 Legacy problems · 2014 Legacy problems · 2015 Legacy problems · 2016 Legacy problems · 2017 Legacy problems · 2018 Legacy problems · 2019 Legacy problems · 2020 Legacy problems · 2021 Legacy problems · 2022 Legacy problems
The rest of the picture on the 2010 Subaru Legacy
- The mileage where it happens. When owners of the 2010 Subaru Legacy said the problem showed up, and the range most of them fell in.
- What the repair costs. Typical transmission repair ranges, to price into your offer.
- Cleaner alternatives. Similar cars and nearby years with a better record.
- Up to 15 owner reports, with the ones about your car's own engine first.
- What to ask the seller and what to check on the test drive, for this car.
- Two cars side by side, if you are deciding between them.
What one owner reported
One of 73 drivetrain complaints. The full report shows up to 15, with quotes about the engine in the car you are looking at first.
2010 Subaru Legacy engine and transmission recalls
Yes. NHTSA lists 2 recall campaigns on the 2010 Subaru Legacy involving the engine, transmission or fuel system, out of 18 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.
SUBARU IS RECALLING CERTAIN MODEL YEAR 2010 AND 2011 OUTBACK AND LEGACY PASSENGER VEHICLES MANUFACTURED FROM APRIL 28 THROUGH JUNE 23, 2010. DUE TO A PROGRAMMING ERROR, A LUBRICATION HOLE WITHIN THE 6-SPEED MANUAL TRANSMISSION WAS OMITTED.
Risk: IF THE TRANSMISSION GEARS ARE NOT PROPERLY LUBRICATED, A GROANING SOUND MAY BEGIN TO DEVELOP ALERTING THE DRIVER OF A PROBLEM. IF THE SOUND IS IGNORED AND NO ACTION IS TAKEN, THE GEARS WILL EVENTUALLY BREAK AND THIS…
Fix: SUBARU WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES BY DRILLING AN OIL LUBRICATION HOLE AND, IF NECESSARY, REPLACE THE INTERNAL PARTS WITH NEW ONES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 28, 2010.…
SUBARU IS RECALLING CERTAIN MODEL YEAR 2010 OUTBACK AND LEGACY PASSENGER VEHICLES MANUFACTURED FROM JULY 31 THROUGH DECEMBER 1, 2009. A CRACK OR SPLIT CAN OCCUR IN THE CVT COOLER HOSE RESULTING IN A FLUID LEAK.
Risk: IF THE FLUID IS COMPLETELY LEAKED DURING DRIVING, THE VEHICLE WILL COME TO A STOP, POSSIBLY RESULTING IN A CRASH.
Fix: SUBARU WILL NOTIFY OWNERS AND DEALERS WILL REPLACE ANY AFFECTED COOLER HOSES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JUNE 8, 2010. OWNERS MAY CONTACT SUBARU AT 1-800-SUBARU3 (1-800-782-2783).
16 other recalls on this model year (airbags, lighting, brakes and the rest)
Source: NHTSA recall campaigns filed against this year, make and model. Checked October 3, 2026.
Checking one particular 2010 Subaru Legacy? 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.
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Does the 2010 Subaru Legacy have transmission problems?
Owner complaints say yes, heavily, as a model-year pattern. 73 of 112 relevant complaints filed with NHTSA about the 2010 Subaru Legacy concern the engine, transmission or fuel system (65%). Before buying one, have an independent mechanic check the transmission and ask the seller whether it has been repaired or replaced.
What is the most common problem with the 2010 Subaru Legacy?
Going by NHTSA owner complaints, the most common problem filed against the 2010 Subaru Legacy is power train: 50 of 150 complaints (33%) name it, followed by engine (31) and air bags (28). A complaint can name more than one component, so these overlap.
Is the 2010 Subaru Legacy reliable?
On the engine and transmission, owner complaints point to a weak spot: 65% of relevant complaints filed with NHTSA concern the drivetrain (very high signal). That is worse than 87% of the 1,790 model years we track. Among the 13 Subaru Legacy years we score, it ranks 2nd-worst. Complaint data describes the model year, not one car, and it says nothing about trim, paint or electronics outside the drivetrain; an independent inspection still decides it.
Are there engine or transmission recalls on the 2010 Subaru Legacy?
Yes. NHTSA lists 2 recall campaigns on the 2010 Subaru Legacy involving the engine, transmission or fuel system, out of 18 in total: 10V326000 (power train: manual transmission), 10V196000 (engine and engine cooling: cooling system: hoses/lines/piping/fittings). Whether a specific car still has one open depends on its VIN.
Which Subaru Legacy years are better?
Among the Subaru Legacy years we track, the 2022 (3%), the 2019 (9%) and the 2020 (9%) have a lower engine and transmission complaint share than the 2010 (65%). Manufacturers fix things mid-generation, so the year before or after can be a different car. Every year side by side: https://thelanecheck.com/cars/subaru-legacy
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Check a VINExperimental 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.