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Best 205/35 R18 tires

2 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Atlas Force UHP at 84/100.

23.6″
overall diameter
8.1″
section width
18″
rim diameter
852.8
revs per mile

Best 205/35 R18 summer tires

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Best 205/35 R18 all-season tires

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Conversion

205/35 R18 in inches

Overall diameter23.6″
Section width8.1″
Rim diameter18″
Sidewall height72 mm
Circumference74.3″
Revolutions per mile852.8

The closest flotation size is 28x12.00R18 — 18.4% taller and 48.7% wider. Compare them in the calculator.

Wheels

What rims fit 205/35 R18 tires?

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

Minimum
5.5″
Ideal
6.5″
Maximum
7.5″

Rim diameter is fixed at 18″ — only the width varies. Estimated from the 8.1″ section width (70–90% rule).

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

Sidewall

205/35 R18 — what does it mean?

ParameterMeaning
205The first number is the section width — 205 mm, or about 8.1 inches across the widest part of the tire.
35The second number is the aspect ratio: sidewall height as a percentage of width. At 35%, the sidewall is about 72 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.