Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 285/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 35.96 (913.5) | -7.03 (-178.5) -16.3% |
| Width inches (mm) | 14.37 (365) | 11.22 (285) | -3.15 (-80) -21.9% |
| Circum. inches (mm) | 135.06 (3430.62) | 112.99 (2869.84) | -22.08 (-560.77) -16.3% |
| Sidewall Height inches (mm) | 11.5 (292) | 6.73 (171) | -4.76 (-121) -41.4% |
| Revolutions per mile (km) | 469.11 (291.49) | 560.78 (348.45) | 91.67 (56.96) 19.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.73 mph (26.93 km/h) |
| 25 mph (40.23 km/h) | 20.91 mph (33.66 km/h) |
| 30 mph (48.28 km/h) | 25.1 mph (40.39 km/h) |
| 35 mph (56.33 km/h) | 29.28 mph (47.12 km/h) |
| 40 mph (64.37 km/h) | 33.46 mph (53.85 km/h) |
| 45 mph (72.42 km/h) | 37.64 mph (60.58 km/h) |
| 50 mph (80.47 km/h) | 41.83 mph (67.31 km/h) |
| 55 mph (88.51 km/h) | 46.01 mph (74.05 km/h) |
| 60 mph (96.56 km/h) | 50.19 mph (80.78 km/h) |
| 65 mph (104.61 km/h) | 54.38 mph (87.51 km/h) |
| 70 mph (112.65 km/h) | 58.56 mph (94.24 km/h) |
| 75 mph (120.7 km/h) | 62.74 mph (100.97 km/h) |
| 80 mph (128.75 km/h) | 66.92 mph (107.7 km/h) |
| 85 mph (136.79 km/h) | 71.11 mph (114.43 km/h) |
| 90 mph (144.84 km/h) | 75.29 mph (121.17 km/h) |
| 95 mph (152.89 km/h) | 79.47 mph (127.9 km/h) |
| 100 mph (160.93 km/h) | 83.65 mph (134.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1427 | 1658 | 1785 | 1864 | 1949 | 2010 | 2077 | 2156 | 2265 | 2374 | 2496 | 2593 | 2769 | 2963 | 3115 | 3212 | 3267 | 3467 | 3747 | 4354 |
Better Fuel Economy Factory Ratios Increased Power
