Best 275/35 R18 tires
70 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Michelin Pilot Sport PS2 at 93/100.
25.6″
overall diameter
10.8″
section width
18″
rim diameter
788.5
revs per mile
Best 275/35 R18 summer tires
4836 more rated tires in this size are listed on their brand pages.
Best 275/35 R18 all-season tires
11More top-rated 275/35 R18 tires
10Best 275/35 R18 winter tires
1Conversion
275/35 R18 in inches
| Overall diameter | 25.6″ |
| Section width | 10.8″ |
| Rim diameter | 18″ |
| Sidewall height | 96 mm |
| Circumference | 80.4″ |
| Revolutions per mile | 788.5 |
The closest flotation size is 28x12.00R18 — 9.5% taller and 10.8% wider. Compare them in the calculator.
Wheels
What rims fit 275/35 R18 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″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 10.8″ section width (70–90% rule).
Fitted from the factory on rims: 18x9, 18x9.5, 18x10.
Popular comparisons
Sizes often compared with 275/35 R18
Close alternatives — each opens in the tire size calculator.
Sidewall
275/35 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 275 | The first number is the section width — 275 mm, or about 10.8 inches across the widest part of the tire. |
| 35 | The second number is the aspect ratio: sidewall height as a percentage of width. At 35%, the sidewall is about 96 mm tall. |
| R18 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel. |