Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-22 | 305/25-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.73 (729.8) | 28 (711.3) | -0.73 (-18.5) -2.5% |
| Width inches (mm) | 11.22 (285) | 12.01 (305) | 0.79 (20) 7% |
| Circum. inches (mm) | 90.27 (2292.73) | 87.98 (2234.61) | -2.29 (-58.12) -2.5% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 3 (76.25) | -0.36 (-9.25) -10.8% |
| Revolutions per mile (km) | 701.93 (436.16) | 720.19 (447.5) | 18.26 (11.34) 2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.37 km/h) |
| 25 mph (40.23 km/h) | 24.37 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.24 mph (47.06 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.9 km/h) |
| 40 mph (64.37 km/h) | 38.99 mph (62.74 km/h) |
| 45 mph (72.42 km/h) | 43.86 mph (70.58 km/h) |
| 50 mph (80.47 km/h) | 48.73 mph (78.43 km/h) |
| 55 mph (88.51 km/h) | 53.61 mph (86.27 km/h) |
| 60 mph (96.56 km/h) | 58.48 mph (94.11 km/h) |
| 65 mph (104.61 km/h) | 63.35 mph (101.96 km/h) |
| 70 mph (112.65 km/h) | 68.23 mph (109.8 km/h) |
| 75 mph (120.7 km/h) | 73.1 mph (117.64 km/h) |
| 80 mph (128.75 km/h) | 77.97 mph (125.48 km/h) |
| 85 mph (136.79 km/h) | 82.85 mph (133.33 km/h) |
| 90 mph (144.84 km/h) | 87.72 mph (141.17 km/h) |
| 95 mph (152.89 km/h) | 92.59 mph (149.01 km/h) |
| 100 mph (160.93 km/h) | 97.47 mph (156.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1833 | 2129 | 2293 | 2394 | 2503 | 2581 | 2667 | 2769 | 2909 | 3049 | 3205 | 3330 | 3556 | 3806 | 4001 | 4126 | 4196 | 4453 | 4812 | 5592 |
Better Fuel Economy Factory Ratios Increased Power
