Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/80-22.5 | 315/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.34 (1075.5) | 37.38 (949.5) | -4.96 (-126) -11.7% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 133.02 (3378.78) | 117.44 (2982.94) | -15.58 (-395.84) -11.7% |
| Sidewall Height inches (mm) | 9.92 (252) | 7.44 (189) | -2.48 (-63) -25% |
| Revolutions per mile (km) | 476.31 (295.96) | 539.52 (335.24) | 63.21 (39.27) 13.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.66 mph (28.42 km/h) |
| 25 mph (40.23 km/h) | 22.07 mph (35.52 km/h) |
| 30 mph (48.28 km/h) | 26.49 mph (42.62 km/h) |
| 35 mph (56.33 km/h) | 30.9 mph (49.73 km/h) |
| 40 mph (64.37 km/h) | 35.31 mph (56.83 km/h) |
| 45 mph (72.42 km/h) | 39.73 mph (63.94 km/h) |
| 50 mph (80.47 km/h) | 44.14 mph (71.04 km/h) |
| 55 mph (88.51 km/h) | 48.56 mph (78.14 km/h) |
| 60 mph (96.56 km/h) | 52.97 mph (85.25 km/h) |
| 65 mph (104.61 km/h) | 57.38 mph (92.35 km/h) |
| 70 mph (112.65 km/h) | 61.8 mph (99.46 km/h) |
| 75 mph (120.7 km/h) | 66.21 mph (106.56 km/h) |
| 80 mph (128.75 km/h) | 70.63 mph (113.66 km/h) |
| 85 mph (136.79 km/h) | 75.04 mph (120.77 km/h) |
| 90 mph (144.84 km/h) | 79.46 mph (127.87 km/h) |
| 95 mph (152.89 km/h) | 83.87 mph (134.98 km/h) |
| 100 mph (160.93 km/h) | 88.28 mph (142.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1373 | 1595 | 1718 | 1794 | 1875 | 1934 | 1998 | 2074 | 2179 | 2284 | 2401 | 2495 | 2664 | 2851 | 2997 | 3091 | 3143 | 3336 | 3605 | 4189 |
Better Fuel Economy Factory Ratios Increased Power
