Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/70-22.5 | 385/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.62 (1082.5) | 46.75 (1187.5) | 4.13 (105) 9.7% |
| Width inches (mm) | 14.37 (365) | 15.16 (385) | 0.79 (20) 5.5% |
| Circum. inches (mm) | 133.89 (3400.77) | 146.88 (3730.64) | 12.99 (329.87) 9.7% |
| Sidewall Height inches (mm) | 10.06 (255.5) | 12.13 (308) | 2.07 (52.5) 20.5% |
| Revolutions per mile (km) | 473.23 (294.05) | 431.39 (268.05) | -41.84 (-26) -8.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.94 mph (35.31 km/h) |
| 25 mph (40.23 km/h) | 27.42 mph (44.14 km/h) |
| 30 mph (48.28 km/h) | 32.91 mph (52.96 km/h) |
| 35 mph (56.33 km/h) | 38.39 mph (61.79 km/h) |
| 40 mph (64.37 km/h) | 43.88 mph (70.62 km/h) |
| 45 mph (72.42 km/h) | 49.36 mph (79.45 km/h) |
| 50 mph (80.47 km/h) | 54.85 mph (88.27 km/h) |
| 55 mph (88.51 km/h) | 60.33 mph (97.1 km/h) |
| 60 mph (96.56 km/h) | 65.82 mph (105.93 km/h) |
| 65 mph (104.61 km/h) | 71.3 mph (114.75 km/h) |
| 70 mph (112.65 km/h) | 76.79 mph (123.58 km/h) |
| 75 mph (120.7 km/h) | 82.27 mph (132.41 km/h) |
| 80 mph (128.75 km/h) | 87.76 mph (141.24 km/h) |
| 85 mph (136.79 km/h) | 93.24 mph (150.06 km/h) |
| 90 mph (144.84 km/h) | 98.73 mph (158.89 km/h) |
| 95 mph (152.89 km/h) | 104.21 mph (167.72 km/h) |
| 100 mph (160.93 km/h) | 109.7 mph (176.55 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
