Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/55-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.18 (639.5) | 27.05 (687) | 1.87 (47.5) 7.4% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 79.1 (2009.05) | 84.97 (2158.27) | 5.88 (149.23) 7.4% |
| Sidewall Height inches (mm) | 5.09 (129.25) | 6.02 (153) | 0.94 (23.75) 18.4% |
| Revolutions per mile (km) | 801.05 (497.75) | 745.66 (463.33) | -55.39 (-34.41) -6.9% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.49 mph (34.58 km/h) |
| 25 mph (40.23 km/h) | 26.86 mph (43.22 km/h) |
| 30 mph (48.28 km/h) | 32.23 mph (51.87 km/h) |
| 35 mph (56.33 km/h) | 37.6 mph (60.51 km/h) |
| 40 mph (64.37 km/h) | 42.97 mph (69.16 km/h) |
| 45 mph (72.42 km/h) | 48.34 mph (77.8 km/h) |
| 50 mph (80.47 km/h) | 53.71 mph (86.44 km/h) |
| 55 mph (88.51 km/h) | 59.09 mph (95.09 km/h) |
| 60 mph (96.56 km/h) | 64.46 mph (103.73 km/h) |
| 65 mph (104.61 km/h) | 69.83 mph (112.38 km/h) |
| 70 mph (112.65 km/h) | 75.2 mph (121.02 km/h) |
| 75 mph (120.7 km/h) | 80.57 mph (129.67 km/h) |
| 80 mph (128.75 km/h) | 85.94 mph (138.31 km/h) |
| 85 mph (136.79 km/h) | 91.31 mph (146.96 km/h) |
| 90 mph (144.84 km/h) | 96.68 mph (155.6 km/h) |
| 95 mph (152.89 km/h) | 102.06 mph (164.24 km/h) |
| 100 mph (160.93 km/h) | 107.43 mph (172.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2204 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3157 | 3319 | 3448 | 3682 | 3940 | 4142 | 4272 | 4344 | 4611 | 4982 | 5790 |
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