Tire size cross-reference

Vehicles with 275/65R18 tires

275/65R18 — 275 mm wide, 65% aspect, 18″ rim, 32.1″ overall diameter. 4 vehicles in our data use this size.

275/65R18 vehicles (32.1″ diameter)
VehicleTrim(s)Details
Chevrolet Silverado 1500 LT/RST View →
Ford F-150 Lariat View →
GMC Sierra 1500 SLT/AT4 View →
Ram 1500 Big Horn/Lone Star View →

Same size ≠ same tire

Every vehicle above runs 275/65R18 tires, but they may need different load indices and speed ratings. A 275/65R18 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 275/65R18 tires?

In our data, 4 vehicles use 275/65R18, including Chevrolet Silverado 1500, Ford F-150, GMC Sierra 1500, Ram 1500. More are being added.

What is the overall diameter of 275/65R18?

275/65R18 tires have an overall diameter of 32.1″ (814.7 mm), with a 178.8 mm sidewall height. The section width is 275 mm.

Are 275/65R18 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.