Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 255/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 27.03 (686.5) | 1.61 (41) 6.4% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 79.84 (2027.9) | 84.91 (2156.7) | 5.07 (128.81) 6.4% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 3.51 (89.25) | 0.81 (20.5) 29.8% |
| Revolutions per mile (km) | 793.6 (493.12) | 746.21 (463.67) | -47.4 (-29.45) -6% |
255/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.59 mph (42.79 km/h) |
| 30 mph (48.28 km/h) | 31.91 mph (51.35 km/h) |
| 35 mph (56.33 km/h) | 37.22 mph (59.9 km/h) |
| 40 mph (64.37 km/h) | 42.54 mph (68.46 km/h) |
| 45 mph (72.42 km/h) | 47.86 mph (77.02 km/h) |
| 50 mph (80.47 km/h) | 53.18 mph (85.58 km/h) |
| 55 mph (88.51 km/h) | 58.49 mph (94.14 km/h) |
| 60 mph (96.56 km/h) | 63.81 mph (102.69 km/h) |
| 65 mph (104.61 km/h) | 69.13 mph (111.25 km/h) |
| 70 mph (112.65 km/h) | 74.45 mph (119.81 km/h) |
| 75 mph (120.7 km/h) | 79.76 mph (128.37 km/h) |
| 80 mph (128.75 km/h) | 85.08 mph (136.93 km/h) |
| 85 mph (136.79 km/h) | 90.4 mph (145.48 km/h) |
| 90 mph (144.84 km/h) | 95.72 mph (154.04 km/h) |
| 95 mph (152.89 km/h) | 101.03 mph (162.6 km/h) |
| 100 mph (160.93 km/h) | 106.35 mph (171.16 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1899 | 2206 | 2376 | 2481 | 2594 | 2675 | 2764 | 2869 | 3014 | 3160 | 3321 | 3450 | 3685 | 3943 | 4145 | 4275 | 4347 | 4614 | 4986 | 5794 |
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