Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-16 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.5 (749.4) | 32.81 (833.3) | 3.3 (83.9) 11.2% |
| Width inches (mm) | 9.65 (245) | 12.01 (305) | 2.36 (60) 24.5% |
| Circum. inches (mm) | 92.69 (2354.31) | 103.07 (2617.89) | 10.38 (263.58) 11.2% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 5.4 (137.25) | -1.35 (-34.25) -20% |
| Revolutions per mile (km) | 683.57 (424.75) | 614.75 (381.99) | -68.82 (-42.77) -10.1% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.24 mph (35.79 km/h) |
| 25 mph (40.23 km/h) | 27.8 mph (44.74 km/h) |
| 30 mph (48.28 km/h) | 33.36 mph (53.69 km/h) |
| 35 mph (56.33 km/h) | 38.92 mph (62.63 km/h) |
| 40 mph (64.37 km/h) | 44.48 mph (71.58 km/h) |
| 45 mph (72.42 km/h) | 50.04 mph (80.53 km/h) |
| 50 mph (80.47 km/h) | 55.6 mph (89.48 km/h) |
| 55 mph (88.51 km/h) | 61.16 mph (98.42 km/h) |
| 60 mph (96.56 km/h) | 66.72 mph (107.37 km/h) |
| 65 mph (104.61 km/h) | 72.28 mph (116.32 km/h) |
| 70 mph (112.65 km/h) | 77.84 mph (125.27 km/h) |
| 75 mph (120.7 km/h) | 83.4 mph (134.21 km/h) |
| 80 mph (128.75 km/h) | 88.96 mph (143.16 km/h) |
| 85 mph (136.79 km/h) | 94.52 mph (152.11 km/h) |
| 90 mph (144.84 km/h) | 100.08 mph (161.06 km/h) |
| 95 mph (152.89 km/h) | 105.64 mph (170 km/h) |
| 100 mph (160.93 km/h) | 111.2 mph (178.95 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
