Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-17 | 255/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.95 (760.8) | 30.05 (763.3) | 0.1 (2.5) 0.3% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 94.1 (2390.12) | 94.41 (2397.98) | 0.31 (7.85) 0.3% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 6.53 (165.75) | 0.05 (1.25) 0.8% |
| Revolutions per mile (km) | 673.33 (418.39) | 671.13 (417.02) | -2.21 (-1.37) -0.3% |
255/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.07 mph (32.29 km/h) |
| 25 mph (40.23 km/h) | 25.08 mph (40.37 km/h) |
| 30 mph (48.28 km/h) | 30.1 mph (48.44 km/h) |
| 35 mph (56.33 km/h) | 35.12 mph (56.51 km/h) |
| 40 mph (64.37 km/h) | 40.13 mph (64.59 km/h) |
| 45 mph (72.42 km/h) | 45.15 mph (72.66 km/h) |
| 50 mph (80.47 km/h) | 50.16 mph (80.73 km/h) |
| 55 mph (88.51 km/h) | 55.18 mph (88.8 km/h) |
| 60 mph (96.56 km/h) | 60.2 mph (96.88 km/h) |
| 65 mph (104.61 km/h) | 65.21 mph (104.95 km/h) |
| 70 mph (112.65 km/h) | 70.23 mph (113.02 km/h) |
| 75 mph (120.7 km/h) | 75.25 mph (121.1 km/h) |
| 80 mph (128.75 km/h) | 80.26 mph (129.17 km/h) |
| 85 mph (136.79 km/h) | 85.28 mph (137.24 km/h) |
| 90 mph (144.84 km/h) | 90.3 mph (145.32 km/h) |
| 95 mph (152.89 km/h) | 95.31 mph (153.39 km/h) |
| 100 mph (160.93 km/h) | 100.33 mph (161.46 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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