Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-28 | 315/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.96 (938.7) | 36.84 (935.8) | -0.11 (-2.9) -0.3% |
| Width inches (mm) | 12.8 (325) | 12.4 (315) | -0.39 (-10) -3.1% |
| Circum. inches (mm) | 116.1 (2949.01) | 115.74 (2939.9) | -0.36 (-9.11) -0.3% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 9.92 (252) | 5.44 (138.25) 121.5% |
| Revolutions per mile (km) | 545.72 (339.1) | 547.41 (340.15) | 1.69 (1.05) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.13 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.15 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.18 km/h) |
| 45 mph (72.42 km/h) | 44.86 mph (72.2 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.22 km/h) |
| 55 mph (88.51 km/h) | 54.83 mph (88.24 km/h) |
| 60 mph (96.56 km/h) | 59.81 mph (96.26 km/h) |
| 65 mph (104.61 km/h) | 64.8 mph (104.28 km/h) |
| 70 mph (112.65 km/h) | 69.78 mph (112.31 km/h) |
| 75 mph (120.7 km/h) | 74.77 mph (120.33 km/h) |
| 80 mph (128.75 km/h) | 79.75 mph (128.35 km/h) |
| 85 mph (136.79 km/h) | 84.74 mph (136.37 km/h) |
| 90 mph (144.84 km/h) | 89.72 mph (144.39 km/h) |
| 95 mph (152.89 km/h) | 94.71 mph (152.42 km/h) |
| 100 mph (160.93 km/h) | 99.69 mph (160.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1393 | 1618 | 1743 | 1820 | 1903 | 1962 | 2027 | 2104 | 2211 | 2318 | 2436 | 2531 | 2703 | 2893 | 3041 | 3136 | 3189 | 3385 | 3658 | 4250 |
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