Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/55-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.91 (734.3) | 32.06 (814.3) | 3.15 (80) 10.9% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 90.82 (2306.87) | 100.72 (2558.2) | 9.89 (251.33) 10.9% |
| Sidewall Height inches (mm) | 5.95 (151.25) | 7.53 (191.25) | 1.57 (40) 26.4% |
| Revolutions per mile (km) | 697.63 (433.49) | 629.09 (390.9) | -68.54 (-42.59) -9.8% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.18 mph (35.69 km/h) |
| 25 mph (40.23 km/h) | 27.72 mph (44.62 km/h) |
| 30 mph (48.28 km/h) | 33.27 mph (53.54 km/h) |
| 35 mph (56.33 km/h) | 38.81 mph (62.46 km/h) |
| 40 mph (64.37 km/h) | 44.36 mph (71.39 km/h) |
| 45 mph (72.42 km/h) | 49.9 mph (80.31 km/h) |
| 50 mph (80.47 km/h) | 55.45 mph (89.23 km/h) |
| 55 mph (88.51 km/h) | 60.99 mph (98.16 km/h) |
| 60 mph (96.56 km/h) | 66.54 mph (107.08 km/h) |
| 65 mph (104.61 km/h) | 72.08 mph (116 km/h) |
| 70 mph (112.65 km/h) | 77.63 mph (124.93 km/h) |
| 75 mph (120.7 km/h) | 83.17 mph (133.85 km/h) |
| 80 mph (128.75 km/h) | 88.72 mph (142.77 km/h) |
| 85 mph (136.79 km/h) | 94.26 mph (151.7 km/h) |
| 90 mph (144.84 km/h) | 99.81 mph (160.62 km/h) |
| 95 mph (152.89 km/h) | 105.35 mph (169.54 km/h) |
| 100 mph (160.93 km/h) | 110.89 mph (178.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1860 | 2003 | 2091 | 2187 | 2255 | 2330 | 2418 | 2541 | 2664 | 2800 | 2909 | 3106 | 3324 | 3495 | 3604 | 3665 | 3890 | 4203 | 4885 |
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