Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/45-22 | 285/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.81 (833.3) | 32.1 (815.3) | -0.71 (-18) -2.2% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 103.07 (2617.89) | 100.84 (2561.34) | -2.23 (-56.55) -2.2% |
| Sidewall Height inches (mm) | 5.4 (137.25) | 5.05 (128.25) | -0.35 (-9) -6.6% |
| Revolutions per mile (km) | 614.75 (381.99) | 628.32 (390.42) | 13.57 (8.43) 2.2% |
285/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.49 km/h) |
| 25 mph (40.23 km/h) | 24.46 mph (39.36 km/h) |
| 30 mph (48.28 km/h) | 29.35 mph (47.24 km/h) |
| 35 mph (56.33 km/h) | 34.24 mph (55.11 km/h) |
| 40 mph (64.37 km/h) | 39.14 mph (62.98 km/h) |
| 45 mph (72.42 km/h) | 44.03 mph (70.86 km/h) |
| 50 mph (80.47 km/h) | 48.92 mph (78.73 km/h) |
| 55 mph (88.51 km/h) | 53.81 mph (86.6 km/h) |
| 60 mph (96.56 km/h) | 58.7 mph (94.48 km/h) |
| 65 mph (104.61 km/h) | 63.6 mph (102.35 km/h) |
| 70 mph (112.65 km/h) | 68.49 mph (110.22 km/h) |
| 75 mph (120.7 km/h) | 73.38 mph (118.09 km/h) |
| 80 mph (128.75 km/h) | 78.27 mph (125.97 km/h) |
| 85 mph (136.79 km/h) | 83.16 mph (133.84 km/h) |
| 90 mph (144.84 km/h) | 88.06 mph (141.71 km/h) |
| 95 mph (152.89 km/h) | 92.95 mph (149.59 km/h) |
| 100 mph (160.93 km/h) | 97.84 mph (157.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1599 | 1858 | 2000 | 2089 | 2184 | 2252 | 2327 | 2415 | 2538 | 2660 | 2796 | 2905 | 3103 | 3320 | 3490 | 3599 | 3661 | 3885 | 4198 | 4879 |
Better Fuel Economy Factory Ratios Increased Power
