192Best 205/45 R17 tires
91 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Michelin Pilot Super Sport at 92/100.
24.3″
overall diameter
8.1″
section width
17″
rim diameter
831.2
revs per mile
Best 205/45 R17 summer tires
43192
293
389
486
584
689
783
882
982
1083
1182
128931 more rated tires in this size are listed on their brand pages.
Best 205/45 R17 all-season tires
22
189
288
388
486
586
685
784
884
985
1082
1184
128010 more rated tires in this size are listed on their brand pages.
More top-rated 205/45 R17 tires
19
190
284
383
484
583
683
786
885
980
1080
1188
12857 more rated tires in this size are listed on their brand pages.
Best 205/45 R17 winter tires
7
180
278
376
575
775Conversion
205/45 R17 in inches
| Overall diameter | 24.3″ |
| Section width | 8.1″ |
| Rim diameter | 17″ |
| Sidewall height | 92 mm |
| Circumference | 76.2″ |
| Revolutions per mile | 831.2 |
The closest flotation size is 31x10.50R17 — 27.8% taller and 30.1% wider. Compare them in the calculator.
Wheels
What rims fit 205/45 R17 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 17″ — only the width varies. Estimated from the 8.1″ section width (70–90% rule).
Fitted from the factory on rims: 17x4, 17x6, 17x6.5, 17x7, 17x7.5, 17x8.
Popular comparisons
Sizes often compared with 205/45 R17
Close alternatives — each opens in the tire size calculator.
Sidewall
205/45 R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 205 | The first number is the section width — 205 mm, or about 8.1 inches across the widest part of the tire. |
| 45 | The second number is the aspect ratio: sidewall height as a percentage of width. At 45%, the sidewall is about 92 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. |