Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 235/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 27.18 (690.3) | 2.3 (58.5) 9.3% |
| Width inches (mm) | 4.92 (125) | 9.25 (235) | 4.33 (110) 88% |
| Circum. inches (mm) | 78.14 (1984.86) | 85.38 (2168.64) | 7.24 (183.78) 9.3% |
| Sidewall Height inches (mm) | 3.94 (100) | 5.09 (129.25) | 1.15 (29.25) 29.3% |
| Revolutions per mile (km) | 810.81 (503.81) | 742.1 (461.12) | -68.71 (-42.7) -8.5% |
235/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.85 mph (35.17 km/h) |
| 25 mph (40.23 km/h) | 27.31 mph (43.96 km/h) |
| 30 mph (48.28 km/h) | 32.78 mph (52.75 km/h) |
| 35 mph (56.33 km/h) | 38.24 mph (61.54 km/h) |
| 40 mph (64.37 km/h) | 43.7 mph (70.33 km/h) |
| 45 mph (72.42 km/h) | 49.17 mph (79.13 km/h) |
| 50 mph (80.47 km/h) | 54.63 mph (87.92 km/h) |
| 55 mph (88.51 km/h) | 60.09 mph (96.71 km/h) |
| 60 mph (96.56 km/h) | 65.56 mph (105.5 km/h) |
| 65 mph (104.61 km/h) | 71.02 mph (114.29 km/h) |
| 70 mph (112.65 km/h) | 76.48 mph (123.09 km/h) |
| 75 mph (120.7 km/h) | 81.94 mph (131.88 km/h) |
| 80 mph (128.75 km/h) | 87.41 mph (140.67 km/h) |
| 85 mph (136.79 km/h) | 92.87 mph (149.46 km/h) |
| 90 mph (144.84 km/h) | 98.33 mph (158.25 km/h) |
| 95 mph (152.89 km/h) | 103.8 mph (167.04 km/h) |
| 100 mph (160.93 km/h) | 109.26 mph (175.84 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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