Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/55-22 | 33/12.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.21 (894.3) | 33.02 (838.64) | -2.19 (-55.66) -6.2% |
| Width inches (mm) | 12.01 (305) | 12.52 (318) | 0.51 (13) 4.3% |
| Circum. inches (mm) | 110.61 (2809.53) | 103.73 (2634.67) | -6.88 (-174.86) -6.2% |
| Sidewall Height inches (mm) | 6.6 (167.75) | 5.51 (139.92) | -1.1 (-27.83) -16.6% |
| Revolutions per mile (km) | 572.82 (355.93) | 610.83 (379.55) | 38.02 (23.62) 6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.76 mph (30.18 km/h) |
| 25 mph (40.23 km/h) | 23.44 mph (37.73 km/h) |
| 30 mph (48.28 km/h) | 28.13 mph (45.28 km/h) |
| 35 mph (56.33 km/h) | 32.82 mph (52.82 km/h) |
| 40 mph (64.37 km/h) | 37.51 mph (60.37 km/h) |
| 45 mph (72.42 km/h) | 42.2 mph (67.91 km/h) |
| 50 mph (80.47 km/h) | 46.89 mph (75.46 km/h) |
| 55 mph (88.51 km/h) | 51.58 mph (83.01 km/h) |
| 60 mph (96.56 km/h) | 56.27 mph (90.55 km/h) |
| 65 mph (104.61 km/h) | 60.95 mph (98.1 km/h) |
| 70 mph (112.65 km/h) | 65.64 mph (105.64 km/h) |
| 75 mph (120.7 km/h) | 70.33 mph (113.19 km/h) |
| 80 mph (128.75 km/h) | 75.02 mph (120.73 km/h) |
| 85 mph (136.79 km/h) | 79.71 mph (128.28 km/h) |
| 90 mph (144.84 km/h) | 84.4 mph (135.83 km/h) |
| 95 mph (152.89 km/h) | 89.09 mph (143.37 km/h) |
| 100 mph (160.93 km/h) | 93.78 mph (150.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1554 | 1806 | 1945 | 2031 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2719 | 2824 | 3016 | 3228 | 3393 | 3499 | 3559 | 3777 | 4081 | 4743 |
Better Fuel Economy Factory Ratios Increased Power
