Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-22 | 315/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.98 (786.8) | 31.92 (810.8) | 0.94 (24) 3.1% |
| Width inches (mm) | 11.22 (285) | 12.4 (315) | 1.18 (30) 10.5% |
| Circum. inches (mm) | 97.32 (2471.81) | 100.28 (2547.2) | 2.97 (75.4) 3.1% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.96 (126) | 0.47 (12) 10.5% |
| Revolutions per mile (km) | 651.08 (404.56) | 631.81 (392.59) | -19.27 (-11.98) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.17 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.46 km/h) |
| 30 mph (48.28 km/h) | 30.92 mph (49.75 km/h) |
| 35 mph (56.33 km/h) | 36.07 mph (58.05 km/h) |
| 40 mph (64.37 km/h) | 41.22 mph (66.34 km/h) |
| 45 mph (72.42 km/h) | 46.37 mph (74.63 km/h) |
| 50 mph (80.47 km/h) | 51.53 mph (82.92 km/h) |
| 55 mph (88.51 km/h) | 56.68 mph (91.21 km/h) |
| 60 mph (96.56 km/h) | 61.83 mph (99.51 km/h) |
| 65 mph (104.61 km/h) | 66.98 mph (107.8 km/h) |
| 70 mph (112.65 km/h) | 72.14 mph (116.09 km/h) |
| 75 mph (120.7 km/h) | 77.29 mph (124.38 km/h) |
| 80 mph (128.75 km/h) | 82.44 mph (132.67 km/h) |
| 85 mph (136.79 km/h) | 87.59 mph (140.97 km/h) |
| 90 mph (144.84 km/h) | 92.75 mph (149.26 km/h) |
| 95 mph (152.89 km/h) | 97.9 mph (157.55 km/h) |
| 100 mph (160.93 km/h) | 103.05 mph (165.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1608 | 1868 | 2011 | 2100 | 2196 | 2265 | 2340 | 2429 | 2552 | 2675 | 2812 | 2921 | 3120 | 3339 | 3510 | 3619 | 3681 | 3907 | 4221 | 4906 |
Better Fuel Economy Factory Ratios Increased Power
