Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-17 | 255/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.05 (737.8) | 28.04 (712.3) | -1 (-25.5) -3.5% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 91.25 (2317.87) | 88.1 (2237.76) | -3.15 (-80.11) -3.5% |
| Sidewall Height inches (mm) | 6.02 (153) | 5.52 (140.25) | -0.5 (-12.75) -8.3% |
| Revolutions per mile (km) | 694.32 (431.43) | 719.18 (446.88) | 24.86 (15.44) 3.6% |
255/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.14 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.61 km/h) |
| 35 mph (56.33 km/h) | 33.79 mph (54.38 km/h) |
| 40 mph (64.37 km/h) | 38.62 mph (62.15 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.92 km/h) |
| 50 mph (80.47 km/h) | 48.27 mph (77.69 km/h) |
| 55 mph (88.51 km/h) | 53.1 mph (85.45 km/h) |
| 60 mph (96.56 km/h) | 57.93 mph (93.22 km/h) |
| 65 mph (104.61 km/h) | 62.75 mph (100.99 km/h) |
| 70 mph (112.65 km/h) | 67.58 mph (108.76 km/h) |
| 75 mph (120.7 km/h) | 72.41 mph (116.53 km/h) |
| 80 mph (128.75 km/h) | 77.24 mph (124.3 km/h) |
| 85 mph (136.79 km/h) | 82.06 mph (132.07 km/h) |
| 90 mph (144.84 km/h) | 86.89 mph (139.84 km/h) |
| 95 mph (152.89 km/h) | 91.72 mph (147.6 km/h) |
| 100 mph (160.93 km/h) | 96.54 mph (155.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2290 | 2391 | 2500 | 2578 | 2663 | 2765 | 2905 | 3045 | 3201 | 3325 | 3551 | 3801 | 3995 | 4120 | 4190 | 4447 | 4805 | 5584 |
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