18-inch Wheels
Tesla Model S — 18-inch Wheels Tire Pressure
For 18-inch wheels use on the Tesla Model S, set cold pressures to 45 PSI front and 45 PSI rear.
18-inch Wheels cold pressure
Front
45
310 kPa
Rear
45
310 kPa
OEM spec
45/45 PSI
Tire size
245/35R21
Curb weight
2,162 kg
Category
ev
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 Model S
FAQ
Frequently asked
- What tire pressure should I use for 18" driving in the Tesla Model S?
- For 18-inch wheels use on the Tesla Model S, set cold pressures to 45 PSI front and 45 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 Tesla Model S?
- The factory cold pressure spec for the 2021–2024 Tesla Model S is 45 PSI front / 45 PSI rear. Always use the door-jamb sticker for your specific trim.
- Is switching to 18-inch wheels safe on the Tesla Model S?
- Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 245/35R21. Pressures typically stay close to OEM; the 45/45 setting above accounts for the small sidewall change.
- What is 45 PSI in bar or kPa?
- 45 PSI = 3.1 bar = 310 kPa. The rear 45 PSI = 3.1 bar.
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