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18-inch Wheels

Toyota Prius — 18-inch Wheels Tire Pressure

For 18-inch wheels use on the Toyota Prius, set cold pressures to 36 PSI front and 35 PSI rear.

18-inch Wheels cold pressure
0102030405060PSI COLD362.5 bar
Front
36
248 kPa
0102030405060PSI COLD352.4 bar
Rear
35
241 kPa
OEM spec
36/35 PSI
Tire size
195/60R17
Curb weight
1,540 kg
Category
hatchback

18-inch is common OEM sizing — use factory pressures unless otherwise specified on the door sticker.

Community-tuned pressures based on OEM spec + typical use-case deltas. Always verify against your door-jamb sticker for your exact trim and load rating. Minimum safe pressure is 24 PSI for most passenger tires.

Other setups for this Prius
FAQ

Frequently asked

What tire pressure should I use for 18" driving in the Toyota Prius?
For 18-inch wheels use on the Toyota Prius, set cold pressures to 36 PSI front and 35 PSI rear. 18-inch is common OEM sizing — use factory pressures unless otherwise specified on the door sticker.
What is the OEM tire pressure for the Toyota Prius?
The factory cold pressure spec for the 2023–2024 Toyota Prius is 36 PSI front / 35 PSI rear. Always use the door-jamb sticker for your specific trim.
Is switching to 18-inch wheels safe on the Toyota Prius?
Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 195/60R17. Pressures typically stay close to OEM; the 36/35 setting above accounts for the small sidewall change.
What is 36 PSI in bar or kPa?
36 PSI = 2.5 bar = 248 kPa. The rear 35 PSI = 2.4 bar.
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