Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-22.5 | 365/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 41.18 (1046) | 38.68 (982.5) | -2.5 (-63.5) -6.1% |
| Width inches (mm) | 14.37 (365) | 14.37 (365) | 0 (0) 0% |
| Circum. inches (mm) | 129.37 (3286.11) | 121.52 (3086.61) | -7.85 (-199.49) -6.1% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 9.34 (237.25) | 0 (0) 0% |
| Revolutions per mile (km) | 489.74 (304.31) | 521.39 (323.98) | 31.65 (19.67) 6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.23 km/h) |
| 25 mph (40.23 km/h) | 23.48 mph (37.79 km/h) |
| 30 mph (48.28 km/h) | 28.18 mph (45.35 km/h) |
| 35 mph (56.33 km/h) | 32.88 mph (52.91 km/h) |
| 40 mph (64.37 km/h) | 37.57 mph (60.47 km/h) |
| 45 mph (72.42 km/h) | 42.27 mph (68.02 km/h) |
| 50 mph (80.47 km/h) | 46.96 mph (75.58 km/h) |
| 55 mph (88.51 km/h) | 51.66 mph (83.14 km/h) |
| 60 mph (96.56 km/h) | 56.36 mph (90.7 km/h) |
| 65 mph (104.61 km/h) | 61.05 mph (98.26 km/h) |
| 70 mph (112.65 km/h) | 65.75 mph (105.82 km/h) |
| 75 mph (120.7 km/h) | 70.45 mph (113.37 km/h) |
| 80 mph (128.75 km/h) | 75.14 mph (120.93 km/h) |
| 85 mph (136.79 km/h) | 79.84 mph (128.49 km/h) |
| 90 mph (144.84 km/h) | 84.54 mph (136.05 km/h) |
| 95 mph (152.89 km/h) | 89.23 mph (143.61 km/h) |
| 100 mph (160.93 km/h) | 93.93 mph (151.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1327 | 1541 | 1660 | 1733 | 1812 | 1869 | 1931 | 2004 | 2106 | 2208 | 2321 | 2411 | 2575 | 2755 | 2896 | 2987 | 3038 | 3224 | 3484 | 4048 |
Better Fuel Economy Factory Ratios Increased Power
