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18-inch Wheels

Acura RDX — 18-inch Wheels Tire Pressure

For 18-inch wheels use on the Acura RDX, set cold pressures to 35 PSI front and 33 PSI rear.

18-inch Wheels cold pressure
0102030405060PSI COLD352.4 bar
Front
35
241 kPa
0102030405060PSI COLD332.3 bar
Rear
33
228 kPa
OEM spec
35/33 PSI
Tire size
235/55R19
Curb weight
1,795 kg
Category
crossover

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 RDX
FAQ

Frequently asked

What tire pressure should I use for 18" driving in the Acura RDX?
For 18-inch wheels use on the Acura RDX, set cold pressures to 35 PSI front and 33 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 Acura RDX?
The factory cold pressure spec for the 2019–2024 Acura RDX is 35 PSI front / 33 PSI rear. Always use the door-jamb sticker for your specific trim.
Is switching to 18-inch wheels safe on the Acura RDX?
Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 235/55R19. Pressures typically stay close to OEM; the 35/33 setting above accounts for the small sidewall change.
What is 35 PSI in bar or kPa?
35 PSI = 2.4 bar = 241 kPa. The rear 33 PSI = 2.3 bar.
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