Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-17 | 255/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.3) | 30.05 (763.3) | -0.83 (-21) -2.7% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 97.01 (2463.95) | 94.41 (2397.98) | -2.6 (-65.97) -2.7% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 6.53 (165.75) | -0.41 (-10.5) -6% |
| Revolutions per mile (km) | 653.16 (405.85) | 671.13 (417.02) | 17.97 (11.17) 2.8% |
255/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.46 mph (31.33 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) | 43.8 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 (93.98 km/h) |
| 65 mph (104.61 km/h) | 63.26 mph (101.81 km/h) |
| 70 mph (112.65 km/h) | 68.13 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) | 92.46 mph (148.79 km/h) |
| 100 mph (160.93 km/h) | 97.32 mph (156.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1984 | 2137 | 2231 | 2333 | 2406 | 2486 | 2580 | 2711 | 2842 | 2987 | 3103 | 3314 | 3547 | 3728 | 3845 | 3910 | 4150 | 4484 | 5211 |
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