Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/40-22 | 325/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.24 (818.8) | 36.07 (916.3) | 3.84 (97.5) 11.9% |
| Width inches (mm) | 12.8 (325) | 12.8 (325) | 0 (0) 0% |
| Circum. inches (mm) | 101.27 (2572.34) | 113.33 (2878.64) | 12.06 (306.31) 11.9% |
| Sidewall Height inches (mm) | 5.12 (130) | 7.04 (178.75) | 1.92 (48.75) 37.5% |
| Revolutions per mile (km) | 625.64 (388.75) | 559.06 (347.39) | -66.57 (-41.37) -10.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.38 mph (36.02 km/h) |
| 25 mph (40.23 km/h) | 27.98 mph (45.02 km/h) |
| 30 mph (48.28 km/h) | 33.57 mph (54.03 km/h) |
| 35 mph (56.33 km/h) | 39.17 mph (63.03 km/h) |
| 40 mph (64.37 km/h) | 44.76 mph (72.04 km/h) |
| 45 mph (72.42 km/h) | 50.36 mph (81.04 km/h) |
| 50 mph (80.47 km/h) | 55.95 mph (90.05 km/h) |
| 55 mph (88.51 km/h) | 61.55 mph (99.05 km/h) |
| 60 mph (96.56 km/h) | 67.14 mph (108.06 km/h) |
| 65 mph (104.61 km/h) | 72.74 mph (117.06 km/h) |
| 70 mph (112.65 km/h) | 78.34 mph (126.07 km/h) |
| 75 mph (120.7 km/h) | 83.93 mph (135.07 km/h) |
| 80 mph (128.75 km/h) | 89.53 mph (144.08 km/h) |
| 85 mph (136.79 km/h) | 95.12 mph (153.08 km/h) |
| 90 mph (144.84 km/h) | 100.72 mph (162.09 km/h) |
| 95 mph (152.89 km/h) | 106.31 mph (171.09 km/h) |
| 100 mph (160.93 km/h) | 111.91 mph (180.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1859 | 1943 | 2004 | 2070 | 2149 | 2258 | 2367 | 2488 | 2585 | 2761 | 2954 | 3106 | 3203 | 3257 | 3457 | 3735 | 4341 |
Better Fuel Economy Factory Ratios Increased Power
