Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/70-22.5 | 385/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.62 (1082.5) | 42.2 (1072) | -0.41 (-10.5) -1% |
| Width inches (mm) | 14.37 (365) | 15.16 (385) | 0.79 (20) 5.5% |
| Circum. inches (mm) | 133.89 (3400.77) | 132.59 (3367.79) | -1.3 (-32.99) -1% |
| Sidewall Height inches (mm) | 10.06 (255.5) | 9.85 (250.25) | -0.21 (-5.25) -2.1% |
| Revolutions per mile (km) | 473.23 (294.05) | 477.86 (296.93) | 4.64 (2.88) 1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.71 mph (47.81 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.78 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.75 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.72 km/h) |
| 50 mph (80.47 km/h) | 49.52 mph (79.69 km/h) |
| 55 mph (88.51 km/h) | 54.47 mph (87.66 km/h) |
| 60 mph (96.56 km/h) | 59.42 mph (95.62 km/h) |
| 65 mph (104.61 km/h) | 64.37 mph (103.59 km/h) |
| 70 mph (112.65 km/h) | 69.32 mph (111.56 km/h) |
| 75 mph (120.7 km/h) | 74.27 mph (119.53 km/h) |
| 80 mph (128.75 km/h) | 79.22 mph (127.5 km/h) |
| 85 mph (136.79 km/h) | 84.18 mph (135.47 km/h) |
| 90 mph (144.84 km/h) | 89.13 mph (143.44 km/h) |
| 95 mph (152.89 km/h) | 94.08 mph (151.4 km/h) |
| 100 mph (160.93 km/h) | 99.03 mph (159.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1216 | 1413 | 1521 | 1589 | 1661 | 1713 | 1770 | 1837 | 1930 | 2023 | 2127 | 2210 | 2360 | 2525 | 2655 | 2737 | 2784 | 2955 | 3193 | 3710 |
Better Fuel Economy Factory Ratios Increased Power
