194Best 255/70 R17 tires
49 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Cooper Discoverer AT3 4S at 94/100.
31.1″
overall diameter
10″
section width
17″
rim diameter
649.4
revs per mile
Best 255/70 R17 all-terrain tires
22194
293
393
492
591
690
790
891
990
1087
1187
128310 more rated tires in this size are listed on their brand pages.
Best 255/70 R17 all-season tires
14
195
292
391
491
586
691
786
882
981
1095
1178
2 more rated tires in this size are listed on their brand pages.
More top-rated 255/70 R17 tires
8
191
290
396
492
586
6100
780
883Best 255/70 R17 winter tires
4
196
288
386
Best 255/70 R17 summer tires
1
183Conversion
255/70 R17 in inches
| Overall diameter | 31.1″ |
| Section width | 10″ |
| Rim diameter | 17″ |
| Sidewall height | 179 mm |
| Circumference | 97.6″ |
| Revolutions per mile | 649.4 |
The closest flotation size is 31x10.50R17 — 0.2% shorter and 4.6% wider. Compare them in the calculator.
Wheels
What rims fit 255/70 R17 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
7″
Ideal
8″
Maximum
9″
Rim diameter is fixed at 17″ — only the width varies. Estimated from the 10″ section width (70–90% rule).
Fitted from the factory on rims: 17x7, 17x7.5, 17x8.
Popular comparisons
Sizes often compared with 255/70 R17
Close alternatives — each opens in the tire size calculator.
Sidewall
255/70 R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 255 | The first number is the section width — 255 mm, or about 10 inches across the widest part of the tire. |
| 70 | The second number is the aspect ratio: sidewall height as a percentage of width. At 70%, the sidewall is about 179 mm tall. |
| R17 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 17-inch wheel. |