Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 385/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 42.2 (1072) | 5.53 (140.5) 15.1% |
| Width inches (mm) | 8.86 (225) | 15.16 (385) | 6.3 (160) 71.1% |
| Circum. inches (mm) | 115.21 (2926.39) | 132.59 (3367.79) | 17.38 (441.39) 15.1% |
| Sidewall Height inches (mm) | 7.09 (180) | 9.85 (250.25) | 2.77 (70.25) 39% |
| Revolutions per mile (km) | 549.94 (341.72) | 477.86 (296.93) | -72.08 (-44.79) -13.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.02 mph (37.04 km/h) |
| 25 mph (40.23 km/h) | 28.77 mph (46.3 km/h) |
| 30 mph (48.28 km/h) | 34.52 mph (55.56 km/h) |
| 35 mph (56.33 km/h) | 40.28 mph (64.82 km/h) |
| 40 mph (64.37 km/h) | 46.03 mph (74.08 km/h) |
| 45 mph (72.42 km/h) | 51.79 mph (83.34 km/h) |
| 50 mph (80.47 km/h) | 57.54 mph (92.6 km/h) |
| 55 mph (88.51 km/h) | 63.3 mph (101.86 km/h) |
| 60 mph (96.56 km/h) | 69.05 mph (111.13 km/h) |
| 65 mph (104.61 km/h) | 74.8 mph (120.39 km/h) |
| 70 mph (112.65 km/h) | 80.56 mph (129.65 km/h) |
| 75 mph (120.7 km/h) | 86.31 mph (138.91 km/h) |
| 80 mph (128.75 km/h) | 92.07 mph (148.17 km/h) |
| 85 mph (136.79 km/h) | 97.82 mph (157.43 km/h) |
| 90 mph (144.84 km/h) | 103.57 mph (166.69 km/h) |
| 95 mph (152.89 km/h) | 109.33 mph (175.95 km/h) |
| 100 mph (160.93 km/h) | 115.08 mph (185.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1216 | 1413 | 1521 | 1589 | 1661 | 1713 | 1770 | 1837 | 1930 | 2023 | 2127 | 2210 | 2360 | 2525 | 2655 | 2737 | 2784 | 2955 | 3193 | 3710 |
Better Fuel Economy Factory Ratios Increased Power
