Subaru Outback Tire Pressure (Recommended PSI)
TL;DR
Cold tire pressure varies by generation and wheel size: roughly 32/30 PSI on 2010-2014 Outbacks and 35/33 PSI on 2015-2019 and most 2020+ Outbacks, with 38/35 PSI on 19-inch wheel options. Check your own placard for certainty.
There is no single universal PSI for the Outback
A common mistake is quoting one pressure figure for every Subaru Outback ever built. In reality Subaru has changed the recommended cold tire pressure across generations, and even within a single generation the figure can differ by trim and original wheel/tire size. The only fully authoritative source for your specific car is the placard on the driver-side door jamb (or door pillar on some model years), combined with the tire pressure section of your owner's manual.
What the research found, generation by generation
Multiple independent sources (tire-pressure databases and Subaru dealer service pages) agree on the following cold PSI figures for the two most recent generations. For the fourth generation (2010-2014, chassis code BR), two independent sources agree on a lower figure than later cars. For earlier generations (pre-2010) and for exotic trims such as turbocharged XT models or Wilderness-style off-road packages, published figures conflict or are too thin to state with confidence - for those, treat the placard as the only reliable answer and do not assume it matches a common trim.
Where to find your car's real number
- Driver's door jamb placard (opens the door, sticker on the pillar) - the primary legal source, lists PSI for the exact tire size fitted at the factory
- Owner's manual, tire and wheel section - repeats the placard figures and explains loaded-vehicle adjustments
- Sidewall of the tire - shows the maximum pressure the tire can hold, not the recommended pressure; do not use this number to inflate
- Manufacturer towing/loading guide - if you tow or carry heavy cargo, Subaru specifies a higher rear pressure in these documents
Cold tire pressure by generation and configuration
| Generation / years | Trim or tire size | Front (PSI) | Rear (PSI) |
|---|---|---|---|
| 4th gen (2010-2014, BR) | Standard trims, factory tire size | 32 | 30 |
| 5th gen (2015-2019, BS) | Standard wheel/tire sizes | 35 | 33 |
| 6th gen (2020-present, BT) | Standard 17-18 inch wheels | 35 | 33 |
| 6th gen (2020-present, BT) | Optional 19-inch wheel package | 38 | 35 |
| Pre-2010 generations | All trims (figures vary by source) | Check placard | Check placard |
| Turbo (XT) or off-road trims, any generation | Non-standard tire size | Check placard | Check placard |
Why the range matters
Fitting a different wheel/tire size than the one your car left the factory with (a common used-car scenario) means the placard figure may no longer be the ideal one - in that case, use the pressure rating appropriate to the tire actually mounted, cross-checked with a tire professional, rather than blindly following either the placard or a generic online figure.
Summary
| 2010-2014 (4th gen) standard | 32 PSI front / 30 PSI rear |
|---|---|
| 2015-2019 (5th gen) standard | 35 PSI front / 33 PSI rear |
| 2020+ (6th gen) 17-18in wheels | 35 PSI front / 33 PSI rear |
| 2020+ (6th gen) 19in wheel option | 38 PSI front / 35 PSI rear |
| Pre-2010 generations | Varies - check door placard |
| Check when cold | Before driving or after 3+ hours parked |
| Authoritative source | Driver door jamb placard + owner's manual |
Full diagnostics
For the complete step-by-step diagnostic and repair guide, see Subaru Outback: Common Problems, Fault Codes & Repairs.
Frequently asked questions
Is 35 PSI correct for every Subaru Outback?
No. 35 PSI front / 33 PSI rear is accurate for 5th-generation (2015-2019) Outbacks and for 6th-generation (2020+) Outbacks on their standard wheel sizes, but 4th-generation (2010-2014) Outbacks placard at a lower 32/30 PSI, and 6th-generation cars with the optional 19-inch wheel package placard at a higher 38/35 PSI. Always check your own door placard.
Where exactly is the tire pressure placard on an Outback?
Open the driver's door and look at the door jamb (the vertical edge of the body the door closes against) or, on some years, the B-pillar behind the front door. The sticker lists the original-equipment tire size and the exact cold PSI for front and rear.
Why do front and rear pressures differ?
Subaru, like most manufacturers, specifies a slightly higher front pressure than rear on the Outback because the front axle carries more weight from the engine and drivetrain, and the split improves handling balance and even tread wear.
Does towing or heavy cargo change the recommended pressure?
Yes. When the vehicle is near its maximum loaded weight or towing a trailer, Subaru's towing guide and some placards specify a higher rear pressure than the normal unloaded figure. Check the loading section of your owner's manual before a heavily loaded trip.