Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/35-18 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.85 (656.7) | 25.58 (649.7) | -0.28 (-7) -1.1% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 81.22 (2063.08) | 80.36 (2041.09) | -0.87 (-21.99) -1.1% |
| Sidewall Height inches (mm) | 3.93 (99.75) | 3.79 (96.25) | -0.14 (-3.5) -3.5% |
| Revolutions per mile (km) | 780.07 (484.71) | 788.47 (489.93) | 8.4 (5.22) 1.1% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.84 km/h) |
| 25 mph (40.23 km/h) | 24.73 mph (39.8 km/h) |
| 30 mph (48.28 km/h) | 29.68 mph (47.77 km/h) |
| 35 mph (56.33 km/h) | 34.63 mph (55.73 km/h) |
| 40 mph (64.37 km/h) | 39.57 mph (63.69 km/h) |
| 45 mph (72.42 km/h) | 44.52 mph (71.65 km/h) |
| 50 mph (80.47 km/h) | 49.47 mph (79.61 km/h) |
| 55 mph (88.51 km/h) | 54.41 mph (87.57 km/h) |
| 60 mph (96.56 km/h) | 59.36 mph (95.53 km/h) |
| 65 mph (104.61 km/h) | 64.31 mph (103.49 km/h) |
| 70 mph (112.65 km/h) | 69.25 mph (111.45 km/h) |
| 75 mph (120.7 km/h) | 74.2 mph (119.41 km/h) |
| 80 mph (128.75 km/h) | 79.15 mph (127.38 km/h) |
| 85 mph (136.79 km/h) | 84.09 mph (135.34 km/h) |
| 90 mph (144.84 km/h) | 89.04 mph (143.3 km/h) |
| 95 mph (152.89 km/h) | 93.99 mph (151.26 km/h) |
| 100 mph (160.93 km/h) | 98.93 mph (159.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2331 | 2510 | 2621 | 2741 | 2826 | 2920 | 3031 | 3185 | 3338 | 3509 | 3646 | 3893 | 4167 | 4380 | 4517 | 4594 | 4875 | 5268 | 6122 |
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