193Best 255/40 R19 tires
111 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Michelin Pilot Sport PS2 at 93/100.
27″
overall diameter
10″
section width
19″
rim diameter
746.1
revs per mile
Best 255/40 R19 summer tires
55193
293
389
489
586
684
782
882
983
1082
1189
128143 more rated tires in this size are listed on their brand pages.
Best 255/40 R19 all-season tires
26
189
288
386
486
585
684
784
885
982
1087
1184
128014 more rated tires in this size are listed on their brand pages.
More top-rated 255/40 R19 tires
18
188
290
388
487
584
683
784
884
983
1082
1186
12856 more rated tires in this size are listed on their brand pages.
Best 255/40 R19 winter tires
12
181
280
380
478
578
676
776
875
975
Conversion
255/40 R19 in inches
| Overall diameter | 27″ |
| Section width | 10″ |
| Rim diameter | 19″ |
| Sidewall height | 102 mm |
| Circumference | 84.9″ |
| Revolutions per mile | 746.1 |
Wheels
What rims fit 255/40 R19 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 19″ — only the width varies. Estimated from the 10″ section width (70–90% rule).
Fitted from the factory on rims: 19x8, 19x8.5, 19x9, 19x9.5, 19x10.
Popular comparisons
Sizes often compared with 255/40 R19
Close alternatives — each opens in the tire size calculator.
Sidewall
255/40 R19 — 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. |
| 40 | The second number is the aspect ratio: sidewall height as a percentage of width. At 40%, the sidewall is about 102 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. |