179Best 205/40 R16 tires
5 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Falken Azenis RT-615K at 79/100.
22.5″
overall diameter
8.1″
section width
16″
rim diameter
898.1
revs per mile
Best 205/40 R16 summer tires
4179
275
374
462Best 205/40 R16 all-season tires
1
172Conversion
205/40 R16 in inches
| Overall diameter | 22.5″ |
| Section width | 8.1″ |
| Rim diameter | 16″ |
| Sidewall height | 82 mm |
| Circumference | 70.5″ |
| Revolutions per mile | 898.1 |
The closest flotation size is 31x10.50R16 — 38% taller and 30.1% wider. Compare them in the calculator.
Wheels
What rims fit 205/40 R16 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 16″ — only the width varies. Estimated from the 8.1″ section width (70–90% rule).
Fitted from the factory on rims: 16x6.5, 16x7.
Popular comparisons
Sizes often compared with 205/40 R16
Close alternatives — each opens in the tire size calculator.
Sidewall
205/40 R16 — 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. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 82 mm tall. |
| R16 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 16-inch wheel. |