Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/45-17 | 255/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.62 (625.3) | 25.03 (635.7) | 0.41 (10.4) 1.7% |
| Width inches (mm) | 8.46 (215) | 10.04 (255) | 1.57 (40) 18.6% |
| Circum. inches (mm) | 77.34 (1964.44) | 78.63 (1997.11) | 1.29 (32.67) 1.7% |
| Sidewall Height inches (mm) | 3.81 (96.75) | 3.51 (89.25) | -0.3 (-7.5) -7.8% |
| Revolutions per mile (km) | 819.24 (509.05) | 805.84 (500.72) | -13.4 (-8.33) -1.6% |
255/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.72 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.9 km/h) |
| 30 mph (48.28 km/h) | 30.5 mph (49.08 km/h) |
| 35 mph (56.33 km/h) | 35.58 mph (57.26 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.44 km/h) |
| 45 mph (72.42 km/h) | 45.75 mph (73.63 km/h) |
| 50 mph (80.47 km/h) | 50.83 mph (81.81 km/h) |
| 55 mph (88.51 km/h) | 55.91 mph (89.99 km/h) |
| 60 mph (96.56 km/h) | 61 mph (98.17 km/h) |
| 65 mph (104.61 km/h) | 66.08 mph (106.35 km/h) |
| 70 mph (112.65 km/h) | 71.16 mph (114.53 km/h) |
| 75 mph (120.7 km/h) | 76.25 mph (122.71 km/h) |
| 80 mph (128.75 km/h) | 81.33 mph (130.89 km/h) |
| 85 mph (136.79 km/h) | 86.41 mph (139.07 km/h) |
| 90 mph (144.84 km/h) | 91.5 mph (147.25 km/h) |
| 95 mph (152.89 km/h) | 96.58 mph (155.43 km/h) |
| 100 mph (160.93 km/h) | 101.66 mph (163.61 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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