183Best 215/40 R17 tires
12 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Yokohama ADVAN A052 at 83/100.
23.8″
overall diameter
8.5″
section width
17″
rim diameter
848.4
revs per mile
Best 215/40 R17 summer tires
9183
282
377
479
580
675
774
874
966Best 215/40 R17 all-season tires
1
172Best 215/40 R17 winter tires
1
178More top-rated 215/40 R17 tires
1
Conversion
215/40 R17 in inches
| Overall diameter | 23.8″ |
| Section width | 8.5″ |
| Rim diameter | 17″ |
| Sidewall height | 86 mm |
| Circumference | 74.7″ |
| Revolutions per mile | 848.4 |
The closest flotation size is 31x10.50R17 — 30.4% taller and 24% wider. Compare them in the calculator.
Wheels
What rims fit 215/40 R17 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
6″
Ideal
7″
Maximum
7.5″
Rim diameter is fixed at 17″ — only the width varies. Estimated from the 8.5″ section width (70–90% rule).
Fitted from the factory on rims: 17x7, 17x7.5, 17x8, 17x9.
Popular comparisons
Sizes often compared with 215/40 R17
Close alternatives — each opens in the tire size calculator.
Sidewall
215/40 R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 215 | The first number is the section width — 215 mm, or about 8.5 inches across the widest part of the tire. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 86 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. |