Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/35-20 | 285/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.03 (686.5) | 27.85 (707.5) | 0.83 (21) 3.1% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 84.91 (2156.7) | 87.51 (2222.68) | 2.6 (65.97) 3.1% |
| Sidewall Height inches (mm) | 3.51 (89.25) | 3.93 (99.75) | 0.41 (10.5) 11.8% |
| Revolutions per mile (km) | 746.21 (463.67) | 724.06 (449.91) | -22.15 (-13.76) -3% |
285/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.17 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.46 km/h) |
| 30 mph (48.28 km/h) | 30.92 mph (49.76 km/h) |
| 35 mph (56.33 km/h) | 36.07 mph (58.05 km/h) |
| 40 mph (64.37 km/h) | 41.22 mph (66.34 km/h) |
| 45 mph (72.42 km/h) | 46.38 mph (74.64 km/h) |
| 50 mph (80.47 km/h) | 51.53 mph (82.93 km/h) |
| 55 mph (88.51 km/h) | 56.68 mph (91.22 km/h) |
| 60 mph (96.56 km/h) | 61.84 mph (99.51 km/h) |
| 65 mph (104.61 km/h) | 66.99 mph (107.81 km/h) |
| 70 mph (112.65 km/h) | 72.14 mph (116.1 km/h) |
| 75 mph (120.7 km/h) | 77.29 mph (124.39 km/h) |
| 80 mph (128.75 km/h) | 82.45 mph (132.69 km/h) |
| 85 mph (136.79 km/h) | 87.6 mph (140.98 km/h) |
| 90 mph (144.84 km/h) | 92.75 mph (149.27 km/h) |
| 95 mph (152.89 km/h) | 97.91 mph (157.56 km/h) |
| 100 mph (160.93 km/h) | 103.06 mph (165.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1843 | 2141 | 2305 | 2407 | 2517 | 2595 | 2682 | 2783 | 2925 | 3066 | 3223 | 3348 | 3575 | 3826 | 4022 | 4148 | 4218 | 4477 | 4838 | 5622 |
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