Tire size cross-reference

Vehicles with 325/65R18 tires

325/65R18 — 325 mm wide, 65% aspect, 18″ rim, 34.6″ overall diameter. 1 vehicles in our data use this size.

325/65R18 vehicles (34.6″ diameter)
VehicleTrim(s)Details
Ram 1500 RHO View →

Same size ≠ same tire

Every vehicle above runs 325/65R18 tires, but they may need different load indices and speed ratings. A 325/65R18 tire rated for a sedan won't necessarily handle an SUV's weight. Match the full spec on your door-jamb placard — size alone isn't enough.

FAQ

What vehicles use 325/65R18 tires?

In our data, 1 vehicles use 325/65R18, including Ram 1500. More are being added.

What is the overall diameter of 325/65R18?

325/65R18 tires have an overall diameter of 34.6″ (879.7 mm), with a 211.3 mm sidewall height. The section width is 325 mm.

Are 325/65R18 tires interchangeable between these vehicles?

They're the same physical tire size, so they'll fit the rim — but each vehicle may require different load ratings, speed ratings, and TPMS calibration. Always match the specs on your door-jamb placard, not just the size.

Vehicle lists reflect documented OEM tire fitments and are a starting reference. Confirm tire size, load rating, and speed rating against the door-jamb placard or owner's manual before buying tires.