Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-15 | 235/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.88 (733.5) | 30.88 (784.3) | 2 (50.8) 6.9% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 90.72 (2304.36) | 97.01 (2463.95) | 6.28 (159.59) 6.9% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 6.94 (176.25) | 0 (0) 0% |
| Revolutions per mile (km) | 698.39 (433.96) | 653.16 (405.85) | -45.24 (-28.11) -6.5% |
235/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.39 mph (34.42 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.02 km/h) |
| 30 mph (48.28 km/h) | 32.08 mph (51.62 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.23 km/h) |
| 40 mph (64.37 km/h) | 42.77 mph (68.83 km/h) |
| 45 mph (72.42 km/h) | 48.12 mph (77.44 km/h) |
| 50 mph (80.47 km/h) | 53.46 mph (86.04 km/h) |
| 55 mph (88.51 km/h) | 58.81 mph (94.64 km/h) |
| 60 mph (96.56 km/h) | 64.16 mph (103.25 km/h) |
| 65 mph (104.61 km/h) | 69.5 mph (111.85 km/h) |
| 70 mph (112.65 km/h) | 74.85 mph (120.46 km/h) |
| 75 mph (120.7 km/h) | 80.19 mph (129.06 km/h) |
| 80 mph (128.75 km/h) | 85.54 mph (137.66 km/h) |
| 85 mph (136.79 km/h) | 90.89 mph (146.27 km/h) |
| 90 mph (144.84 km/h) | 96.23 mph (154.87 km/h) |
| 95 mph (152.89 km/h) | 101.58 mph (163.48 km/h) |
| 100 mph (160.93 km/h) | 106.93 mph (172.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1662 | 1931 | 2079 | 2171 | 2270 | 2341 | 2419 | 2511 | 2638 | 2766 | 2907 | 3020 | 3225 | 3452 | 3628 | 3742 | 3805 | 4039 | 4364 | 5071 |
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