Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 425/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 42.58 (1081.5) | 5.91 (150) 16.1% |
| Width inches (mm) | 8.86 (225) | 16.73 (425) | 7.87 (200) 88.9% |
| Circum. inches (mm) | 115.21 (2926.39) | 133.77 (3397.63) | 18.55 (471.24) 16.1% |
| Sidewall Height inches (mm) | 7.09 (180) | 10.04 (255) | 2.95 (75) 41.7% |
| Revolutions per mile (km) | 549.94 (341.72) | 473.67 (294.32) | -76.27 (-47.39) -13.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.22 mph (37.37 km/h) |
| 25 mph (40.23 km/h) | 29.03 mph (46.71 km/h) |
| 30 mph (48.28 km/h) | 34.83 mph (56.06 km/h) |
| 35 mph (56.33 km/h) | 40.64 mph (65.4 km/h) |
| 40 mph (64.37 km/h) | 46.44 mph (74.74 km/h) |
| 45 mph (72.42 km/h) | 52.25 mph (84.08 km/h) |
| 50 mph (80.47 km/h) | 58.05 mph (93.43 km/h) |
| 55 mph (88.51 km/h) | 63.86 mph (102.77 km/h) |
| 60 mph (96.56 km/h) | 69.66 mph (112.11 km/h) |
| 65 mph (104.61 km/h) | 75.47 mph (121.45 km/h) |
| 70 mph (112.65 km/h) | 81.27 mph (130.8 km/h) |
| 75 mph (120.7 km/h) | 87.08 mph (140.14 km/h) |
| 80 mph (128.75 km/h) | 92.88 mph (149.48 km/h) |
| 85 mph (136.79 km/h) | 98.69 mph (158.82 km/h) |
| 90 mph (144.84 km/h) | 104.49 mph (168.17 km/h) |
| 95 mph (152.89 km/h) | 110.3 mph (177.51 km/h) |
| 100 mph (160.93 km/h) | 116.1 mph (186.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1205 | 1400 | 1508 | 1575 | 1647 | 1698 | 1754 | 1821 | 1913 | 2006 | 2108 | 2190 | 2339 | 2503 | 2631 | 2713 | 2760 | 2929 | 3165 | 3678 |
Better Fuel Economy Factory Ratios Increased Power
