17-inch Wheels
Mazda CX-9 — 17-inch Wheels Tire Pressure
For 17-inch wheels use on the Mazda CX-9, set cold pressures to 34 PSI front and 34 PSI rear.
17-inch Wheels cold pressure
Front
34
234 kPa
-1 vs OEM
Rear
34
234 kPa
-1 vs OEM
OEM spec
35/35 PSI
Tire size
255/45R20
Curb weight
1,960 kg
Category
suv
Smaller rims mean taller sidewalls — drop 1 PSI to preserve ride quality while keeping load capacity.
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 CX-9
FAQ
Frequently asked
- What tire pressure should I use for 17" driving in the Mazda CX-9?
- For 17-inch wheels use on the Mazda CX-9, set cold pressures to 34 PSI front and 34 PSI rear. Smaller rims mean taller sidewalls — drop 1 PSI to preserve ride quality while keeping load capacity.
- What is the OEM tire pressure for the Mazda CX-9?
- The factory cold pressure spec for the 2016–2023 Mazda CX-9 is 35 PSI front / 35 PSI rear. Always use the door-jamb sticker for your specific trim.
- Is switching to 17-inch wheels safe on the Mazda CX-9?
- Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 255/45R20. Pressures typically stay close to OEM; the 34/34 setting above accounts for the small sidewall change.
- What is 34 PSI in bar or kPa?
- 34 PSI = 2.3 bar = 234 kPa. The rear 34 PSI = 2.3 bar.
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