Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-22 | 305/50-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 34.01 (863.8) | 2.4 (61) 7.6% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 99.29 (2522.07) | 106.84 (2713.71) | 7.54 (191.64) 7.6% |
| Sidewall Height inches (mm) | 4.8 (122) | 6 (152.5) | 1.2 (30.5) 25% |
| Revolutions per mile (km) | 638.1 (396.5) | 593.04 (368.5) | -45.06 (-28) -7.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.52 mph (34.63 km/h) |
| 25 mph (40.23 km/h) | 26.9 mph (43.29 km/h) |
| 30 mph (48.28 km/h) | 32.28 mph (51.95 km/h) |
| 35 mph (56.33 km/h) | 37.66 mph (60.61 km/h) |
| 40 mph (64.37 km/h) | 43.04 mph (69.27 km/h) |
| 45 mph (72.42 km/h) | 48.42 mph (77.92 km/h) |
| 50 mph (80.47 km/h) | 53.8 mph (86.58 km/h) |
| 55 mph (88.51 km/h) | 59.18 mph (95.24 km/h) |
| 60 mph (96.56 km/h) | 64.56 mph (103.9 km/h) |
| 65 mph (104.61 km/h) | 69.94 mph (112.56 km/h) |
| 70 mph (112.65 km/h) | 75.32 mph (121.21 km/h) |
| 75 mph (120.7 km/h) | 80.7 mph (129.87 km/h) |
| 80 mph (128.75 km/h) | 86.08 mph (138.53 km/h) |
| 85 mph (136.79 km/h) | 91.46 mph (147.19 km/h) |
| 90 mph (144.84 km/h) | 96.84 mph (155.85 km/h) |
| 95 mph (152.89 km/h) | 102.22 mph (164.51 km/h) |
| 100 mph (160.93 km/h) | 107.6 mph (173.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1972 | 2061 | 2126 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3295 | 3397 | 3455 | 3667 | 3962 | 4605 |
Better Fuel Economy Factory Ratios Increased Power
