18-inch Wheels
RAM 2500 — 18-inch Wheels Tire Pressure
For 18-inch wheels use on the RAM 2500, set cold pressures to 55 PSI front and 65 PSI rear.
18-inch Wheels cold pressure
Front
55
379 kPa
Rear
65
448 kPa
OEM spec
55/65 PSI
Tire size
265/70R17
Curb weight
2,900 kg
Category
pickup
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 2500
FAQ
Frequently asked
- What tire pressure should I use for 18" driving in the RAM 2500?
- For 18-inch wheels use on the RAM 2500, set cold pressures to 55 PSI front and 65 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 RAM 2500?
- The factory cold pressure spec for the 2019–2024 RAM 2500 is 55 PSI front / 65 PSI rear. Always use the door-jamb sticker for your specific trim.
- Is switching to 18-inch wheels safe on the RAM 2500?
- Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 265/70R17. Pressures typically stay close to OEM; the 55/65 setting above accounts for the small sidewall change.
- What is 55 PSI in bar or kPa?
- 55 PSI = 3.8 bar = 379 kPa. The rear 65 PSI = 4.5 bar.
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