Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-22 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.02 (838.64) | 32.81 (833.3) | -0.21 (-5.34) -0.6% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 103.73 (2634.67) | 103.07 (2617.89) | -0.66 (-16.78) -0.6% |
| Sidewall Height inches (mm) | 5.51 (139.92) | 5.4 (137.25) | -0.11 (-2.67) -1.9% |
| Revolutions per mile (km) | 610.83 (379.55) | 614.75 (381.99) | 3.91 (2.43) 0.6% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.98 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.98 km/h) |
| 30 mph (48.28 km/h) | 29.81 mph (47.97 km/h) |
| 35 mph (56.33 km/h) | 34.78 mph (55.97 km/h) |
| 40 mph (64.37 km/h) | 39.75 mph (63.96 km/h) |
| 45 mph (72.42 km/h) | 44.71 mph (71.96 km/h) |
| 50 mph (80.47 km/h) | 49.68 mph (79.95 km/h) |
| 55 mph (88.51 km/h) | 54.65 mph (87.95 km/h) |
| 60 mph (96.56 km/h) | 59.62 mph (95.95 km/h) |
| 65 mph (104.61 km/h) | 64.59 mph (103.94 km/h) |
| 70 mph (112.65 km/h) | 69.55 mph (111.94 km/h) |
| 75 mph (120.7 km/h) | 74.52 mph (119.93 km/h) |
| 80 mph (128.75 km/h) | 79.49 mph (127.93 km/h) |
| 85 mph (136.79 km/h) | 84.46 mph (135.92 km/h) |
| 90 mph (144.84 km/h) | 89.43 mph (143.92 km/h) |
| 95 mph (152.89 km/h) | 94.4 mph (151.91 km/h) |
| 100 mph (160.93 km/h) | 99.36 mph (159.91 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
