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18-inch Wheels

Audi A6 — 18-inch Wheels Tire Pressure

For 18-inch wheels use on the Audi A6, set cold pressures to 38 PSI front and 40 PSI rear.

18-inch Wheels cold pressure
0102030405060PSI COLD382.6 bar
Front
38
262 kPa
0102030405060PSI COLD402.8 bar
Rear
40
276 kPa
OEM spec
38/40 PSI
Tire size
245/45R19
Curb weight
1,800 kg
Category
sedan

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 A6
FAQ

Frequently asked

What tire pressure should I use for 18" driving in the Audi A6?
For 18-inch wheels use on the Audi A6, set cold pressures to 38 PSI front and 40 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 A6?
The factory cold pressure spec for the 2019–2024 Audi A6 is 38 PSI front / 40 PSI rear. Always use the door-jamb sticker for your specific trim.
Is switching to 18-inch wheels safe on the Audi A6?
Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 245/45R19. Pressures typically stay close to OEM; the 38/40 setting above accounts for the small sidewall change.
What is 38 PSI in bar or kPa?
38 PSI = 2.6 bar = 262 kPa. The rear 40 PSI = 2.8 bar.
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