Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/10-15 | 315/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28 (711.2) | 29.4 (746.8) | 1.4 (35.6) 5% |
| Width inches (mm) | 10 (254) | 12.4 (315) | 2.4 (61) 24% |
| Circum. inches (mm) | 87.96 (2234.3) | 92.37 (2346.14) | 4.4 (111.84) 5% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 6.2 (157.5) | -0.3 (-7.6) -4.6% |
| Revolutions per mile (km) | 720.29 (447.57) | 685.95 (426.23) | -34.34 (-21.34) -4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21 mph (33.8 km/h) |
| 25 mph (40.23 km/h) | 26.25 mph (42.25 km/h) |
| 30 mph (48.28 km/h) | 31.5 mph (50.7 km/h) |
| 35 mph (56.33 km/h) | 36.75 mph (59.15 km/h) |
| 40 mph (64.37 km/h) | 42 mph (67.6 km/h) |
| 45 mph (72.42 km/h) | 47.25 mph (76.05 km/h) |
| 50 mph (80.47 km/h) | 52.5 mph (84.5 km/h) |
| 55 mph (88.51 km/h) | 57.75 mph (92.94 km/h) |
| 60 mph (96.56 km/h) | 63 mph (101.39 km/h) |
| 65 mph (104.61 km/h) | 68.25 mph (109.84 km/h) |
| 70 mph (112.65 km/h) | 73.5 mph (118.29 km/h) |
| 75 mph (120.7 km/h) | 78.75 mph (126.74 km/h) |
| 80 mph (128.75 km/h) | 84 mph (135.19 km/h) |
| 85 mph (136.79 km/h) | 89.25 mph (143.64 km/h) |
| 90 mph (144.84 km/h) | 94.51 mph (152.09 km/h) |
| 95 mph (152.89 km/h) | 99.76 mph (160.54 km/h) |
| 100 mph (160.93 km/h) | 105.01 mph (168.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1746 | 2028 | 2184 | 2280 | 2384 | 2459 | 2540 | 2637 | 2771 | 2904 | 3053 | 3172 | 3387 | 3625 | 3811 | 3930 | 3996 | 4241 | 4583 | 5326 |
Better Fuel Economy Factory Ratios Increased Power
