Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 330/90-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 45.89 (1165.5) | 2.89 (73.5) 6.7% |
| Width inches (mm) | 14.37 (365) | 12.99 (330) | -1.38 (-35) -9.6% |
| Circum. inches (mm) | 135.06 (3430.62) | 144.15 (3661.53) | 9.09 (230.91) 6.7% |
| Sidewall Height inches (mm) | 11.5 (292) | 11.69 (297) | 0.2 (5) 1.7% |
| Revolutions per mile (km) | 469.11 (291.49) | 439.53 (273.11) | -29.58 (-18.38) -6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.35 mph (34.35 km/h) |
| 25 mph (40.23 km/h) | 26.68 mph (42.94 km/h) |
| 30 mph (48.28 km/h) | 32.02 mph (51.53 km/h) |
| 35 mph (56.33 km/h) | 37.36 mph (60.12 km/h) |
| 40 mph (64.37 km/h) | 42.69 mph (68.71 km/h) |
| 45 mph (72.42 km/h) | 48.03 mph (77.3 km/h) |
| 50 mph (80.47 km/h) | 53.37 mph (85.88 km/h) |
| 55 mph (88.51 km/h) | 58.7 mph (94.47 km/h) |
| 60 mph (96.56 km/h) | 64.04 mph (103.06 km/h) |
| 65 mph (104.61 km/h) | 69.38 mph (111.65 km/h) |
| 70 mph (112.65 km/h) | 74.71 mph (120.24 km/h) |
| 75 mph (120.7 km/h) | 80.05 mph (128.83 km/h) |
| 80 mph (128.75 km/h) | 85.38 mph (137.41 km/h) |
| 85 mph (136.79 km/h) | 90.72 mph (146 km/h) |
| 90 mph (144.84 km/h) | 96.06 mph (154.59 km/h) |
| 95 mph (152.89 km/h) | 101.39 mph (163.18 km/h) |
| 100 mph (160.93 km/h) | 106.73 mph (171.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
