Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-17 | 225/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.8) | 26.74 (679.3) | 0.61 (15.5) 2.3% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 82.1 (2085.39) | 84.02 (2134.08) | 1.92 (48.69) 2.3% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.87 (123.75) | 0.31 (7.75) 6.7% |
| Revolutions per mile (km) | 771.72 (479.53) | 754.11 (468.58) | -17.61 (-10.94) -2.3% |
225/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.94 km/h) |
| 25 mph (40.23 km/h) | 25.58 mph (41.17 km/h) |
| 30 mph (48.28 km/h) | 30.7 mph (49.41 km/h) |
| 35 mph (56.33 km/h) | 35.82 mph (57.64 km/h) |
| 40 mph (64.37 km/h) | 40.93 mph (65.88 km/h) |
| 45 mph (72.42 km/h) | 46.05 mph (74.11 km/h) |
| 50 mph (80.47 km/h) | 51.17 mph (82.35 km/h) |
| 55 mph (88.51 km/h) | 56.28 mph (90.58 km/h) |
| 60 mph (96.56 km/h) | 61.4 mph (98.82 km/h) |
| 65 mph (104.61 km/h) | 66.52 mph (107.05 km/h) |
| 70 mph (112.65 km/h) | 71.63 mph (115.28 km/h) |
| 75 mph (120.7 km/h) | 76.75 mph (123.52 km/h) |
| 80 mph (128.75 km/h) | 81.87 mph (131.75 km/h) |
| 85 mph (136.79 km/h) | 86.98 mph (139.99 km/h) |
| 90 mph (144.84 km/h) | 92.1 mph (148.22 km/h) |
| 95 mph (152.89 km/h) | 97.22 mph (156.46 km/h) |
| 100 mph (160.93 km/h) | 102.34 mph (164.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2401 | 2507 | 2621 | 2703 | 2793 | 2899 | 3046 | 3193 | 3356 | 3487 | 3724 | 3985 | 4189 | 4320 | 4393 | 4663 | 5039 | 5855 |
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