193Best 285/65 R18 tires
43 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Falken WildPeak A/T3W at 93/100.
32.6″
overall diameter
11.2″
section width
18″
rim diameter
618.9
revs per mile
Best 285/65 R18 all-terrain tires
28193
293
393
492
593
689
790
891
990
1090
1188
128816 more rated tires in this size are listed on their brand pages.
Best 285/65 R18 mud-terrain tires
7
193
290
390
488
592
More top-rated 285/65 R18 tires
7
191
290
390
490
588
696
786Best 285/65 R18 all-season tires
1
195Conversion
285/65 R18 in inches
| Overall diameter | 32.6″ |
| Section width | 11.2″ |
| Rim diameter | 18″ |
| Sidewall height | 185 mm |
| Circumference | 102.4″ |
| Revolutions per mile | 618.9 |
The closest flotation size is 33x10.50R18 — 1.3% taller and 6.4% narrower. Compare them in the calculator.
Wheels
What rims fit 285/65 R18 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
8″
Ideal
9″
Maximum
10″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 11.2″ section width (70–90% rule).
Fitted from the factory on rims: 18x8, 18x8.5.
Popular comparisons
Sizes often compared with 285/65 R18
Close alternatives — each opens in the tire size calculator.
Sidewall
285/65 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 285 | The first number is the section width — 285 mm, or about 11.2 inches across the widest part of the tire. |
| 65 | The second number is the aspect ratio: sidewall height as a percentage of width. At 65%, the sidewall is about 185 mm tall. |
| R18 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel. |