Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-17 | 315/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.83 (706.8) | 29.4 (746.8) | 1.57 (40) 5.7% |
| Width inches (mm) | 10.83 (275) | 12.4 (315) | 1.57 (40) 14.5% |
| Circum. inches (mm) | 87.42 (2220.48) | 92.37 (2346.14) | 4.95 (125.66) 5.7% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 6.2 (157.5) | 0.79 (20) 14.5% |
| Revolutions per mile (km) | 724.77 (450.35) | 685.95 (426.23) | -38.82 (-24.12) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.13 mph (34.01 km/h) |
| 25 mph (40.23 km/h) | 26.41 mph (42.51 km/h) |
| 30 mph (48.28 km/h) | 31.7 mph (51.01 km/h) |
| 35 mph (56.33 km/h) | 36.98 mph (59.51 km/h) |
| 40 mph (64.37 km/h) | 42.26 mph (68.02 km/h) |
| 45 mph (72.42 km/h) | 47.55 mph (76.52 km/h) |
| 50 mph (80.47 km/h) | 52.83 mph (85.02 km/h) |
| 55 mph (88.51 km/h) | 58.11 mph (93.52 km/h) |
| 60 mph (96.56 km/h) | 63.4 mph (102.03 km/h) |
| 65 mph (104.61 km/h) | 68.68 mph (110.53 km/h) |
| 70 mph (112.65 km/h) | 73.96 mph (119.03 km/h) |
| 75 mph (120.7 km/h) | 79.24 mph (127.53 km/h) |
| 80 mph (128.75 km/h) | 84.53 mph (136.03 km/h) |
| 85 mph (136.79 km/h) | 89.81 mph (144.54 km/h) |
| 90 mph (144.84 km/h) | 95.09 mph (153.04 km/h) |
| 95 mph (152.89 km/h) | 100.38 mph (161.54 km/h) |
| 100 mph (160.93 km/h) | 105.66 mph (170.04 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
