Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 235/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 27.18 (690.3) | 3.32 (84.3) 13.9% |
| Width inches (mm) | 4.92 (125) | 9.25 (235) | 4.33 (110) 88% |
| Circum. inches (mm) | 74.95 (1903.81) | 85.38 (2168.64) | 10.43 (264.84) 13.9% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.09 (129.25) | 0.66 (16.75) 14.9% |
| Revolutions per mile (km) | 845.33 (525.26) | 742.1 (461.12) | -103.23 (-64.15) -12.2% |
235/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.78 mph (36.66 km/h) |
| 25 mph (40.23 km/h) | 28.48 mph (45.83 km/h) |
| 30 mph (48.28 km/h) | 34.17 mph (55 km/h) |
| 35 mph (56.33 km/h) | 39.87 mph (64.16 km/h) |
| 40 mph (64.37 km/h) | 45.56 mph (73.33 km/h) |
| 45 mph (72.42 km/h) | 51.26 mph (82.49 km/h) |
| 50 mph (80.47 km/h) | 56.96 mph (91.66 km/h) |
| 55 mph (88.51 km/h) | 62.65 mph (100.83 km/h) |
| 60 mph (96.56 km/h) | 68.35 mph (109.99 km/h) |
| 65 mph (104.61 km/h) | 74.04 mph (119.16 km/h) |
| 70 mph (112.65 km/h) | 79.74 mph (128.33 km/h) |
| 75 mph (120.7 km/h) | 85.43 mph (137.49 km/h) |
| 80 mph (128.75 km/h) | 91.13 mph (146.66 km/h) |
| 85 mph (136.79 km/h) | 96.82 mph (155.82 km/h) |
| 90 mph (144.84 km/h) | 102.52 mph (164.99 km/h) |
| 95 mph (152.89 km/h) | 108.22 mph (174.16 km/h) |
| 100 mph (160.93 km/h) | 113.91 mph (183.32 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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