Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-18 | 255/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.06 (814.2) | 25.03 (635.7) | -7.03 (-178.5) -21.9% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 100.7 (2557.88) | 78.63 (1997.11) | -22.08 (-560.77) -21.9% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 3.51 (89.25) | -3.51 (-89.25) -50% |
| Revolutions per mile (km) | 629.17 (390.95) | 805.84 (500.72) | 176.67 (109.78) 28.1% |
255/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.62 mph (25.13 km/h) |
| 25 mph (40.23 km/h) | 19.52 mph (31.41 km/h) |
| 30 mph (48.28 km/h) | 23.42 mph (37.7 km/h) |
| 35 mph (56.33 km/h) | 27.33 mph (43.98 km/h) |
| 40 mph (64.37 km/h) | 31.23 mph (50.26 km/h) |
| 45 mph (72.42 km/h) | 35.13 mph (56.54 km/h) |
| 50 mph (80.47 km/h) | 39.04 mph (62.83 km/h) |
| 55 mph (88.51 km/h) | 42.94 mph (69.11 km/h) |
| 60 mph (96.56 km/h) | 46.85 mph (75.39 km/h) |
| 65 mph (104.61 km/h) | 50.75 mph (81.67 km/h) |
| 70 mph (112.65 km/h) | 54.65 mph (87.96 km/h) |
| 75 mph (120.7 km/h) | 58.56 mph (94.24 km/h) |
| 80 mph (128.75 km/h) | 62.46 mph (100.52 km/h) |
| 85 mph (136.79 km/h) | 66.37 mph (106.8 km/h) |
| 90 mph (144.84 km/h) | 70.27 mph (113.09 km/h) |
| 95 mph (152.89 km/h) | 74.17 mph (119.37 km/h) |
| 100 mph (160.93 km/h) | 78.08 mph (125.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2382 | 2566 | 2679 | 2801 | 2888 | 2984 | 3098 | 3255 | 3412 | 3587 | 3726 | 3979 | 4258 | 4477 | 4616 | 4695 | 4983 | 5384 | 6257 |
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