Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-22 | 325/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 32.24 (818.8) | 0.63 (16) 2% |
| Width inches (mm) | 12.01 (305) | 12.8 (325) | 0.79 (20) 6.6% |
| Circum. inches (mm) | 99.29 (2522.07) | 101.27 (2572.34) | 1.98 (50.27) 2% |
| Sidewall Height inches (mm) | 4.8 (122) | 5.12 (130) | 0.31 (8) 6.6% |
| Revolutions per mile (km) | 638.1 (396.5) | 625.64 (388.75) | -12.47 (-7.75) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.83 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.04 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.24 km/h) |
| 35 mph (56.33 km/h) | 35.7 mph (57.45 km/h) |
| 40 mph (64.37 km/h) | 40.8 mph (65.66 km/h) |
| 45 mph (72.42 km/h) | 45.9 mph (73.86 km/h) |
| 50 mph (80.47 km/h) | 51 mph (82.07 km/h) |
| 55 mph (88.51 km/h) | 56.1 mph (90.28 km/h) |
| 60 mph (96.56 km/h) | 61.2 mph (98.49 km/h) |
| 65 mph (104.61 km/h) | 66.3 mph (106.69 km/h) |
| 70 mph (112.65 km/h) | 71.4 mph (114.9 km/h) |
| 75 mph (120.7 km/h) | 76.49 mph (123.11 km/h) |
| 80 mph (128.75 km/h) | 81.59 mph (131.31 km/h) |
| 85 mph (136.79 km/h) | 86.69 mph (139.52 km/h) |
| 90 mph (144.84 km/h) | 91.79 mph (147.73 km/h) |
| 95 mph (152.89 km/h) | 96.89 mph (155.94 km/h) |
| 100 mph (160.93 km/h) | 101.99 mph (164.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1592 | 1850 | 1992 | 2080 | 2175 | 2243 | 2317 | 2405 | 2527 | 2649 | 2785 | 2893 | 3089 | 3306 | 3476 | 3584 | 3645 | 3869 | 4180 | 4858 |
Better Fuel Economy Factory Ratios Increased Power
