Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-22 | 315/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.96 (786.3) | 33.16 (842.3) | 2.2 (56) 7.1% |
| Width inches (mm) | 12.8 (325) | 12.4 (315) | -0.39 (-10) -3.1% |
| Circum. inches (mm) | 97.25 (2470.23) | 104.18 (2646.16) | 6.93 (175.93) 7.1% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 5.58 (141.75) | 1.1 (28) 24.6% |
| Revolutions per mile (km) | 651.49 (404.82) | 608.18 (377.9) | -43.31 (-26.91) -6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.42 mph (34.48 km/h) |
| 25 mph (40.23 km/h) | 26.78 mph (43.1 km/h) |
| 30 mph (48.28 km/h) | 32.14 mph (51.72 km/h) |
| 35 mph (56.33 km/h) | 37.49 mph (60.34 km/h) |
| 40 mph (64.37 km/h) | 42.85 mph (68.96 km/h) |
| 45 mph (72.42 km/h) | 48.2 mph (77.58 km/h) |
| 50 mph (80.47 km/h) | 53.56 mph (86.2 km/h) |
| 55 mph (88.51 km/h) | 58.92 mph (94.82 km/h) |
| 60 mph (96.56 km/h) | 64.27 mph (103.44 km/h) |
| 65 mph (104.61 km/h) | 69.63 mph (112.06 km/h) |
| 70 mph (112.65 km/h) | 74.99 mph (120.68 km/h) |
| 75 mph (120.7 km/h) | 80.34 mph (129.3 km/h) |
| 80 mph (128.75 km/h) | 85.7 mph (137.92 km/h) |
| 85 mph (136.79 km/h) | 91.05 mph (146.54 km/h) |
| 90 mph (144.84 km/h) | 96.41 mph (155.16 km/h) |
| 95 mph (152.89 km/h) | 101.77 mph (163.78 km/h) |
| 100 mph (160.93 km/h) | 107.12 mph (172.4 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
