Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/35-18 | 285/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.03 (635.7) | 25.85 (656.7) | 0.83 (21) 3.3% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 78.63 (1997.11) | 81.22 (2063.08) | 2.6 (65.97) 3.3% |
| Sidewall Height inches (mm) | 3.51 (89.25) | 3.93 (99.75) | 0.41 (10.5) 11.8% |
| Revolutions per mile (km) | 805.84 (500.72) | 780.07 (484.71) | -25.77 (-16.01) -3.2% |
285/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.66 mph (33.25 km/h) |
| 25 mph (40.23 km/h) | 25.83 mph (41.56 km/h) |
| 30 mph (48.28 km/h) | 30.99 mph (49.88 km/h) |
| 35 mph (56.33 km/h) | 36.16 mph (58.19 km/h) |
| 40 mph (64.37 km/h) | 41.32 mph (66.5 km/h) |
| 45 mph (72.42 km/h) | 46.49 mph (74.81 km/h) |
| 50 mph (80.47 km/h) | 51.65 mph (83.13 km/h) |
| 55 mph (88.51 km/h) | 56.82 mph (91.44 km/h) |
| 60 mph (96.56 km/h) | 61.98 mph (99.75 km/h) |
| 65 mph (104.61 km/h) | 67.15 mph (108.06 km/h) |
| 70 mph (112.65 km/h) | 72.31 mph (116.38 km/h) |
| 75 mph (120.7 km/h) | 77.48 mph (124.69 km/h) |
| 80 mph (128.75 km/h) | 82.64 mph (133 km/h) |
| 85 mph (136.79 km/h) | 87.81 mph (141.31 km/h) |
| 90 mph (144.84 km/h) | 92.97 mph (149.63 km/h) |
| 95 mph (152.89 km/h) | 98.14 mph (157.94 km/h) |
| 100 mph (160.93 km/h) | 103.3 mph (166.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2484 | 2593 | 2712 | 2796 | 2889 | 2999 | 3151 | 3303 | 3472 | 3607 | 3852 | 4122 | 4333 | 4469 | 4545 | 4823 | 5212 | 6057 |
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