Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-14 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.68 (550.6) | 32.81 (833.3) | 11.13 (282.7) 51.3% |
| Width inches (mm) | 7.68 (195) | 12.01 (305) | 4.33 (110) 56.4% |
| Circum. inches (mm) | 68.1 (1729.76) | 103.07 (2617.89) | 34.97 (888.13) 51.3% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 5.4 (137.25) | 1.56 (39.75) 40.8% |
| Revolutions per mile (km) | 930.39 (578.11) | 614.75 (381.99) | -315.64 (-196.13) -33.9% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.27 mph (48.71 km/h) |
| 25 mph (40.23 km/h) | 37.84 mph (60.89 km/h) |
| 30 mph (48.28 km/h) | 45.4 mph (73.07 km/h) |
| 35 mph (56.33 km/h) | 52.97 mph (85.25 km/h) |
| 40 mph (64.37 km/h) | 60.54 mph (97.43 km/h) |
| 45 mph (72.42 km/h) | 68.1 mph (109.6 km/h) |
| 50 mph (80.47 km/h) | 75.67 mph (121.78 km/h) |
| 55 mph (88.51 km/h) | 83.24 mph (133.96 km/h) |
| 60 mph (96.56 km/h) | 90.81 mph (146.14 km/h) |
| 65 mph (104.61 km/h) | 98.37 mph (158.32 km/h) |
| 70 mph (112.65 km/h) | 105.94 mph (170.5 km/h) |
| 75 mph (120.7 km/h) | 113.51 mph (182.67 km/h) |
| 80 mph (128.75 km/h) | 121.08 mph (194.85 km/h) |
| 85 mph (136.79 km/h) | 128.64 mph (207.03 km/h) |
| 90 mph (144.84 km/h) | 136.21 mph (219.21 km/h) |
| 95 mph (152.89 km/h) | 143.78 mph (231.39 km/h) |
| 100 mph (160.93 km/h) | 151.34 mph (243.57 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
