Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 365/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 39.74 (1009.5) | -3.25 (-82.5) -7.6% |
| Width inches (mm) | 14.37 (365) | 14.37 (365) | 0 (0) 0% |
| Circum. inches (mm) | 135.06 (3430.62) | 124.86 (3171.44) | -10.2 (-259.18) -7.6% |
| Sidewall Height inches (mm) | 11.5 (292) | 8.62 (219) | -2.87 (-73) -25% |
| Revolutions per mile (km) | 469.11 (291.49) | 507.45 (315.31) | 38.34 (23.82) 8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.49 mph (29.76 km/h) |
| 25 mph (40.23 km/h) | 23.11 mph (37.19 km/h) |
| 30 mph (48.28 km/h) | 27.73 mph (44.63 km/h) |
| 35 mph (56.33 km/h) | 32.36 mph (52.07 km/h) |
| 40 mph (64.37 km/h) | 36.98 mph (59.51 km/h) |
| 45 mph (72.42 km/h) | 41.6 mph (66.95 km/h) |
| 50 mph (80.47 km/h) | 46.22 mph (74.39 km/h) |
| 55 mph (88.51 km/h) | 50.84 mph (81.83 km/h) |
| 60 mph (96.56 km/h) | 55.47 mph (89.27 km/h) |
| 65 mph (104.61 km/h) | 60.09 mph (96.7 km/h) |
| 70 mph (112.65 km/h) | 64.71 mph (104.14 km/h) |
| 75 mph (120.7 km/h) | 69.33 mph (111.58 km/h) |
| 80 mph (128.75 km/h) | 73.96 mph (119.02 km/h) |
| 85 mph (136.79 km/h) | 78.58 mph (126.46 km/h) |
| 90 mph (144.84 km/h) | 83.2 mph (133.9 km/h) |
| 95 mph (152.89 km/h) | 87.82 mph (141.34 km/h) |
| 100 mph (160.93 km/h) | 92.45 mph (148.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1291 | 1500 | 1616 | 1687 | 1764 | 1819 | 1879 | 1951 | 2050 | 2149 | 2259 | 2346 | 2506 | 2682 | 2819 | 2907 | 2956 | 3138 | 3391 | 3940 |
Better Fuel Economy Factory Ratios Increased Power
