Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/50-22 | 315/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.8 (883.8) | 33.16 (842.3) | -1.63 (-41.5) -4.7% |
| Width inches (mm) | 12.8 (325) | 12.4 (315) | -0.39 (-10) -3.1% |
| Circum. inches (mm) | 109.31 (2776.54) | 104.18 (2646.16) | -5.13 (-130.38) -4.7% |
| Sidewall Height inches (mm) | 6.4 (162.5) | 5.58 (141.75) | -0.82 (-20.75) -12.8% |
| Revolutions per mile (km) | 579.62 (360.16) | 608.18 (377.9) | 28.56 (17.75) 4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.06 mph (30.68 km/h) |
| 25 mph (40.23 km/h) | 23.83 mph (38.34 km/h) |
| 30 mph (48.28 km/h) | 28.59 mph (46.01 km/h) |
| 35 mph (56.33 km/h) | 33.36 mph (53.68 km/h) |
| 40 mph (64.37 km/h) | 38.12 mph (61.35 km/h) |
| 45 mph (72.42 km/h) | 42.89 mph (69.02 km/h) |
| 50 mph (80.47 km/h) | 47.65 mph (76.69 km/h) |
| 55 mph (88.51 km/h) | 52.42 mph (84.36 km/h) |
| 60 mph (96.56 km/h) | 57.18 mph (92.03 km/h) |
| 65 mph (104.61 km/h) | 61.95 mph (99.7 km/h) |
| 70 mph (112.65 km/h) | 66.71 mph (107.36 km/h) |
| 75 mph (120.7 km/h) | 71.48 mph (115.03 km/h) |
| 80 mph (128.75 km/h) | 76.24 mph (122.7 km/h) |
| 85 mph (136.79 km/h) | 81.01 mph (130.37 km/h) |
| 90 mph (144.84 km/h) | 85.77 mph (138.04 km/h) |
| 95 mph (152.89 km/h) | 90.54 mph (145.71 km/h) |
| 100 mph (160.93 km/h) | 95.3 mph (153.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1548 | 1798 | 1936 | 2022 | 2114 | 2180 | 2252 | 2338 | 2457 | 2575 | 2707 | 2812 | 3003 | 3214 | 3379 | 3484 | 3543 | 3761 | 4064 | 4722 |
Better Fuel Economy Factory Ratios Increased Power
