194Best 275/55 R20 tires
131 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Cooper Discoverer AT3 4S at 94/100.
31.9″
overall diameter
10.8″
section width
20″
rim diameter
632
revs per mile
Best 275/55 R20 all-terrain tires
50194
293
393
493
592
692
793
891
993
1090
1191
129038 more rated tires in this size are listed on their brand pages.
Best 275/55 R20 all-season tires
30
195
292
389
491
591
690
791
885
993
1086
1191
128218 more rated tires in this size are listed on their brand pages.
More top-rated 275/55 R20 tires
26
191
290
390
496
590
688
787
889
987
1083
1193
129214 more rated tires in this size are listed on their brand pages.
Best 275/55 R20 summer tires
12
188
287
389
483
581
683
792
880
983
1075
1148
1258Best 275/55 R20 winter tires
11
196
288
385
488
581
678
781
888
986
1075
1160Best 275/55 R20 mud-terrain tires
2
190
290Conversion
275/55 R20 in inches
| Overall diameter | 31.9″ |
| Section width | 10.8″ |
| Rim diameter | 20″ |
| Sidewall height | 151 mm |
| Circumference | 100.2″ |
| Revolutions per mile | 632 |
The closest flotation size is 33x11.50R20 — 3.4% taller and 6.2% wider. Compare them in the calculator.
Wheels
What rims fit 275/55 R20 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
7.5″
Ideal
8.5″
Maximum
9.5″
Rim diameter is fixed at 20″ — only the width varies. Estimated from the 10.8″ section width (70–90% rule).
Fitted from the factory on rims: 20x8, 20x8.5, 20x9.
Popular comparisons
Sizes often compared with 275/55 R20
Close alternatives — each opens in the tire size calculator.
Sidewall
275/55 R20 — what does it mean?
| Parameter | Meaning |
|---|---|
| 275 | The first number is the section width — 275 mm, or about 10.8 inches across the widest part of the tire. |
| 55 | The second number is the aspect ratio: sidewall height as a percentage of width. At 55%, the sidewall is about 151 mm tall. |
| R20 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 20-inch wheel. |