2020 Subaru Legacy - Maintenance & Specs
The 2020 Subaru Legacy belongs to a Subaru Legacy lineup that Know Your Ride tracks across 15 model years, from 1990 to 2021. Engine options on record include the 2.5L, 2.4L, 2.4L I4 / 2.5L I4. It is configured as all-wheel drive with an automatic (av-s8). The 2020 sits mid-run, with both earlier (1990) and later (2021) Legacy model years also documented.
It takes 0W-20 full synthetic oil, 5.1 qt with a new filter meeting API SP. Fluid specs on file include Super Long Life coolant, DOT 3 brake fluid, Subaru ATF HP transmission fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 33 ft-lb, lug nut 89 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around visibility/wiper (50), unknown or other (20), electrical system (9). A representative report reads: "Driver's seat structurally unstable due to factory-installed welded nut shearing off the seat rail anchor at approximately 32,000 miles. Confirmed by Napleton..." There are 6 safety recalls on record; one covers: Subaru of America, Inc. (Subaru) is recalling certain 2020 Outback and Legacy vehicles. The brake pedal mounting bracket may have a missing or....
EPA fuel economy is rated at 27 city / 35 highway MPG, 30 MPG combined. Estimated annual fuel cost is about $1,450.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 5.1 qt |
| OEM oil spec | API SP |
| Oil filter | Fram XG7317 |
| EPA combined | 30 MPG |
| Tire size | 215/55R17 |
| Coolant | Super Long Life |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 6 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.