The 2023 Legacy is part of the BW/BT generation (2020-2026), sold as a sedan. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.
Service schedule
All 5 of these items come from Subaru's own published schedule. Manufacturer rows link to Subaru's own schedule, Independent rows to a service shop or parts retailer's published guide.
| Service | Interval | Source |
|---|---|---|
| Engine oil and filter (FB25) | 6,000 mi / 6 months | Manufacturer |
| Brake fluid (FB25) | 30,000 mi / 30 months | Manufacturer |
| Engine coolant (FB25) | 137,500 mi / 11 years | Manufacturer |
| Transmission fluid (FB25) | Inspect, replace as needed | Manufacturer |
| Spark plugs (FB25) | 60,000 mi / 5 years | Manufacturer |
Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.
Fluids and engines
Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.
Known problems
Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.
From about 40,000 mi · $1,200-$2,200 to fix
Poor heater performance, overheating risk, Check Engine Light
$900-$1,800 to fix
Water intrusion triggers P0705 fault, gear selection failure
$350-$900 to fix
Glass cracks spontaneously; expensive replacement and camera recalibration
Safety recalls
From NHTSA's recall database, matched by model and year. Recall repairs are free at Subaru dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.
November 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.
Remedy: 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 WRQ-23.
September 2023
Subaru of America, Inc. (Subaru) is recalling certain 2023 Outback, Legacy, Ascent, and Impreza vehicles. The center support bolts for the driveshaft may loosen, resulting in the disconnection of the front end of the driveshaft.
Remedy: Dealers will clean the bolt mounting surfaces of the center support brace and install new bolts, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRN-23.
BM/BR (2014-2014)
Shopping new? The Subaru Legacy guide covers the current model, with what it costs to keep for 1 to 15 years.
Researched 2026-09-21. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.
Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2023 Legacy earns before you buy it.
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