192Best 315/35 R20 tires
46 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Michelin Pilot Sport A/S 3+ at 94/100.
28.7″
overall diameter
12.4″
section width
20″
rim diameter
703.2
revs per mile
Best 315/35 R20 summer tires
28192
291
389
489
584
683
783
882
981
1079
1178
127716 more rated tires in this size are listed on their brand pages.
Best 315/35 R20 all-season tires
10
194
288
390
486
584
684
785
884
978
1063More top-rated 315/35 R20 tires
6
190
288
390
493
586
688Best 315/35 R20 winter tires
2
176
Conversion
315/35 R20 in inches
| Overall diameter | 28.7″ |
| Section width | 12.4″ |
| Rim diameter | 20″ |
| Sidewall height | 110 mm |
| Circumference | 90.1″ |
| Revolutions per mile | 703.2 |
The closest flotation size is 33x12.50R20 — 15.1% taller and 0.8% wider. Compare them in the calculator.
Wheels
What rims fit 315/35 R20 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
8.5″
Ideal
10″
Maximum
11″
Rim diameter is fixed at 20″ — only the width varies. Estimated from the 12.4″ section width (70–90% rule).
Fitted from the factory on rims: 20x10.5, 20x11, 20x11.5.
Popular comparisons
Sizes often compared with 315/35 R20
Close alternatives — each opens in the tire size calculator.
Sidewall
315/35 R20 — what does it mean?
| Parameter | Meaning |
|---|---|
| 315 | The first number is the section width — 315 mm, or about 12.4 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 110 mm tall. |
| R20 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 20-inch wheel. |