Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-17 | 235/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.04 (661.3) | 27.18 (690.3) | 1.14 (29) 4.4% |
| Width inches (mm) | 10.04 (255) | 9.25 (235) | -0.79 (-20) -7.8% |
| Circum. inches (mm) | 81.79 (2077.54) | 85.38 (2168.64) | 3.59 (91.11) 4.4% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 5.09 (129.25) | 0.57 (14.5) 12.6% |
| Revolutions per mile (km) | 774.64 (481.34) | 742.1 (461.12) | -32.54 (-20.22) -4.2% |
235/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.88 mph (33.6 km/h) |
| 25 mph (40.23 km/h) | 26.1 mph (42 km/h) |
| 30 mph (48.28 km/h) | 31.32 mph (50.4 km/h) |
| 35 mph (56.33 km/h) | 36.53 mph (58.8 km/h) |
| 40 mph (64.37 km/h) | 41.75 mph (67.2 km/h) |
| 45 mph (72.42 km/h) | 46.97 mph (75.6 km/h) |
| 50 mph (80.47 km/h) | 52.19 mph (84 km/h) |
| 55 mph (88.51 km/h) | 57.41 mph (92.4 km/h) |
| 60 mph (96.56 km/h) | 62.63 mph (100.8 km/h) |
| 65 mph (104.61 km/h) | 67.85 mph (109.19 km/h) |
| 70 mph (112.65 km/h) | 73.07 mph (117.59 km/h) |
| 75 mph (120.7 km/h) | 78.29 mph (125.99 km/h) |
| 80 mph (128.75 km/h) | 83.51 mph (134.39 km/h) |
| 85 mph (136.79 km/h) | 88.73 mph (142.79 km/h) |
| 90 mph (144.84 km/h) | 93.95 mph (151.19 km/h) |
| 95 mph (152.89 km/h) | 99.17 mph (159.59 km/h) |
| 100 mph (160.93 km/h) | 104.39 mph (167.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1888 | 2194 | 2363 | 2467 | 2580 | 2660 | 2748 | 2853 | 2997 | 3142 | 3303 | 3431 | 3664 | 3922 | 4123 | 4251 | 4323 | 4589 | 4958 | 5762 |
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