2018 Subaru Outback - Maintenance & Specs
The 2018 Subaru Outback belongs to a Subaru Outback lineup that Know Your Ride tracks across 20 model years, from 2000 to 2026. Engine options on record include the 2.5L, 3.6L, 2.5L I4 / 3.6L V6. It is configured as all-wheel drive with an automatic (av-s7). The 2018 sits mid-run, with both earlier (2000) and later (2026) Outback model years also documented.
It takes 0W-20 full synthetic oil, 4.4 qt with a new filter meeting API SN Plus. 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 (210), electrical system (196), unknown or other (93). A representative report reads: ""I own a 2018 Subaru Outback VIN [XXX] . I have experienced a recurring failure with the TPMS (Tire Pressure Monitoring System) three times within the same..." There are 3 safety recalls on record; one covers: Subaru of America, Inc. (Subaru) is recalling certain 2018 Subaru Legacy and Outback vehicles. Due to a software error, the low fuel warning light....
EPA fuel economy is rated at 25 city / 32 highway MPG, 28 MPG combined. Estimated annual fuel cost is about $1,550.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.4 qt |
| OEM oil spec | API SN Plus |
| Oil filter | Mobil 1 M1-110A |
| EPA combined | 28 MPG |
| Tire size | 245/60R18 |
| Coolant | Super Long Life |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 3 |
| 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
Related Vehicles
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.