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18-inch Wheels

Audi e-tron — 18-inch Wheels Tire Pressure

For 18-inch wheels use on the Audi e-tron, set cold pressures to 42 PSI front and 42 PSI rear.

18-inch Wheels cold pressure
0102030405060PSI COLD422.9 bar
Front
42
290 kPa
0102030405060PSI COLD422.9 bar
Rear
42
290 kPa
OEM spec
42/42 PSI
Tire size
255/50R20
Curb weight
2,490 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 e-tron
FAQ

Frequently asked

What tire pressure should I use for 18" driving in the Audi e-tron?
For 18-inch wheels use on the Audi e-tron, set cold pressures to 42 PSI front and 42 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 Audi e-tron?
The factory cold pressure spec for the 2019–2024 Audi e-tron is 42 PSI front / 42 PSI rear. Always use the door-jamb sticker for your specific trim.
Is switching to 18-inch wheels safe on the Audi e-tron?
Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 255/50R20. Pressures typically stay close to OEM; the 42/42 setting above accounts for the small sidewall change.
What is 42 PSI in bar or kPa?
42 PSI = 2.9 bar = 290 kPa. The rear 42 PSI = 2.9 bar.
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