Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.71 (780) | 28.88 (733.5) | -1.83 (-46.5) -6% |
| Width inches (mm) | 11.22 (285) | 9.25 (235) | -1.97 (-50) -17.5% |
| Circum. inches (mm) | 96.47 (2450.44) | 90.72 (2304.36) | -5.75 (-146.08) -6% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 6.94 (176.25) | -0.92 (-23.25) -11.7% |
| Revolutions per mile (km) | 656.76 (408.09) | 698.39 (433.96) | 41.63 (25.87) 6.3% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.81 mph (30.27 km/h) |
| 25 mph (40.23 km/h) | 23.51 mph (37.84 km/h) |
| 30 mph (48.28 km/h) | 28.21 mph (45.4 km/h) |
| 35 mph (56.33 km/h) | 32.91 mph (52.97 km/h) |
| 40 mph (64.37 km/h) | 37.62 mph (60.54 km/h) |
| 45 mph (72.42 km/h) | 42.32 mph (68.1 km/h) |
| 50 mph (80.47 km/h) | 47.02 mph (75.67 km/h) |
| 55 mph (88.51 km/h) | 51.72 mph (83.24 km/h) |
| 60 mph (96.56 km/h) | 56.42 mph (90.8 km/h) |
| 65 mph (104.61 km/h) | 61.13 mph (98.37 km/h) |
| 70 mph (112.65 km/h) | 65.83 mph (105.94 km/h) |
| 75 mph (120.7 km/h) | 70.53 mph (113.51 km/h) |
| 80 mph (128.75 km/h) | 75.23 mph (121.07 km/h) |
| 85 mph (136.79 km/h) | 79.93 mph (128.64 km/h) |
| 90 mph (144.84 km/h) | 84.63 mph (136.21 km/h) |
| 95 mph (152.89 km/h) | 89.34 mph (143.77 km/h) |
| 100 mph (160.93 km/h) | 94.04 mph (151.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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