Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/30-22 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.79 (705.8) | 32.81 (833.3) | 5.02 (127.5) 18.1% |
| Width inches (mm) | 9.65 (245) | 12.01 (305) | 2.36 (60) 24.5% |
| Circum. inches (mm) | 87.3 (2217.34) | 103.07 (2617.89) | 15.77 (400.55) 18.1% |
| Sidewall Height inches (mm) | 2.89 (73.5) | 5.4 (137.25) | 2.51 (63.75) 86.7% |
| Revolutions per mile (km) | 725.8 (450.99) | 614.75 (381.99) | -111.05 (-69) -15.3% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.61 mph (38 km/h) |
| 25 mph (40.23 km/h) | 29.52 mph (47.5 km/h) |
| 30 mph (48.28 km/h) | 35.42 mph (57 km/h) |
| 35 mph (56.33 km/h) | 41.32 mph (66.5 km/h) |
| 40 mph (64.37 km/h) | 47.23 mph (76 km/h) |
| 45 mph (72.42 km/h) | 53.13 mph (85.5 km/h) |
| 50 mph (80.47 km/h) | 59.03 mph (95 km/h) |
| 55 mph (88.51 km/h) | 64.94 mph (104.5 km/h) |
| 60 mph (96.56 km/h) | 70.84 mph (114 km/h) |
| 65 mph (104.61 km/h) | 76.74 mph (123.5 km/h) |
| 70 mph (112.65 km/h) | 82.65 mph (133 km/h) |
| 75 mph (120.7 km/h) | 88.55 mph (142.51 km/h) |
| 80 mph (128.75 km/h) | 94.45 mph (152.01 km/h) |
| 85 mph (136.79 km/h) | 100.35 mph (161.51 km/h) |
| 90 mph (144.84 km/h) | 106.26 mph (171.01 km/h) |
| 95 mph (152.89 km/h) | 112.16 mph (180.51 km/h) |
| 100 mph (160.93 km/h) | 118.06 mph (190.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2044 | 2137 | 2203 | 2277 | 2363 | 2483 | 2603 | 2736 | 2843 | 3036 | 3249 | 3415 | 3522 | 3582 | 3801 | 4107 | 4773 |
Better Fuel Economy Factory Ratios Increased Power
