Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-18 | 255/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.72 (653.2) | 25.03 (635.7) | -0.69 (-17.5) -2.7% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 80.79 (2052.09) | 78.63 (1997.11) | -2.16 (-54.98) -2.7% |
| Sidewall Height inches (mm) | 3.86 (98) | 3.51 (89.25) | -0.34 (-8.75) -8.9% |
| Revolutions per mile (km) | 784.25 (487.31) | 805.84 (500.72) | 21.59 (13.41) 2.8% |
255/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.46 mph (31.32 km/h) |
| 25 mph (40.23 km/h) | 24.33 mph (39.16 km/h) |
| 30 mph (48.28 km/h) | 29.2 mph (46.99 km/h) |
| 35 mph (56.33 km/h) | 34.06 mph (54.82 km/h) |
| 40 mph (64.37 km/h) | 38.93 mph (62.65 km/h) |
| 45 mph (72.42 km/h) | 43.79 mph (70.48 km/h) |
| 50 mph (80.47 km/h) | 48.66 mph (78.31 km/h) |
| 55 mph (88.51 km/h) | 53.53 mph (86.14 km/h) |
| 60 mph (96.56 km/h) | 58.39 mph (93.97 km/h) |
| 65 mph (104.61 km/h) | 63.26 mph (101.81 km/h) |
| 70 mph (112.65 km/h) | 68.12 mph (109.64 km/h) |
| 75 mph (120.7 km/h) | 72.99 mph (117.47 km/h) |
| 80 mph (128.75 km/h) | 77.86 mph (125.3 km/h) |
| 85 mph (136.79 km/h) | 82.72 mph (133.13 km/h) |
| 90 mph (144.84 km/h) | 87.59 mph (140.96 km/h) |
| 95 mph (152.89 km/h) | 92.45 mph (148.79 km/h) |
| 100 mph (160.93 km/h) | 97.32 mph (156.62 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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