Best 265/55R18 tires

No tire in this size has a score yet — too few owner reviews and tests. 21 vehicle models use it from the factory. See the nearest sizes with rated tires.

TireWheelGuide may earn a commission from purchases made through these links.

Nearest sizes with rated tires

Within 3% of the overall diameter, on the same rim first. Check the sizes approved for your vehicle before you switch.

265/55R18 in inches

Overall diameter29.5″
Section width10.4″
Rim diameter18″
Sidewall height146 mm
Circumference92.6″
Revolutions per mile684.2

Revolutions per mile: how many times the tire turns in one mile, the count your speedometer is calibrated to.

The closest flotation size is 28x12.00R18 — 5% shorter and 15% wider. Compare them in the calculator.

What rims fit 265/55R18 tires?

A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.

Minimum
7.5″
Ideal
8.5″
Maximum
9.5″

The rim diameter is fixed at 18″; only the width can change. Rims are usually 70–90% as wide as the tire’s 10.4″ section width.

Fitted from the factory on rims: 18x7.5, 18x8, 18x8.5, 18x9.

265/55R18 — what does it mean?

ParameterMeaning
265The first number is the section width — 265 mm, or about 10.4 inches across the widest part of the tire.
55The second number is the aspect ratio: sidewall height as a percentage of width. At 55%, the sidewall is about 146 mm tall.
R18R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel.