168Best 315/40 R19 tires
1 rated tire available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Goodyear Eagle F1 Supercar at 68/100.
28.9″
overall diameter
12.4″
section width
19″
rim diameter
697.3
revs per mile
Best 315/40 R19 summer tires
1168Conversion
315/40 R19 in inches
| Overall diameter | 28.9″ |
| Section width | 12.4″ |
| Rim diameter | 19″ |
| Sidewall height | 126 mm |
| Circumference | 90.9″ |
| Revolutions per mile | 697.3 |
Wheels
What rims fit 315/40 R19 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 19″ — only the width varies. Estimated from the 12.4″ section width (70–90% rule).
Fitted from the factory on rims: 19x11.5.
Sidewall
315/40 R19 — 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. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 126 mm tall. |
| R19 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 19-inch wheel. |