Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 385/65-22.5 | 365/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.2 (1072) | 42.62 (1082.5) | 0.41 (10.5) 1% |
| Width inches (mm) | 15.16 (385) | 14.37 (365) | -0.79 (-20) -5.2% |
| Circum. inches (mm) | 132.59 (3367.79) | 133.89 (3400.77) | 1.3 (32.99) 1% |
| Sidewall Height inches (mm) | 9.85 (250.25) | 10.06 (255.5) | 0.21 (5.25) 2.1% |
| Revolutions per mile (km) | 477.86 (296.93) | 473.23 (294.05) | -4.64 (-2.88) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.2 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.63 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.75 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.88 km/h) |
| 40 mph (64.37 km/h) | 40.39 mph (65 km/h) |
| 45 mph (72.42 km/h) | 45.44 mph (73.13 km/h) |
| 50 mph (80.47 km/h) | 50.49 mph (81.26 km/h) |
| 55 mph (88.51 km/h) | 55.54 mph (89.38 km/h) |
| 60 mph (96.56 km/h) | 60.59 mph (97.51 km/h) |
| 65 mph (104.61 km/h) | 65.64 mph (105.63 km/h) |
| 70 mph (112.65 km/h) | 70.69 mph (113.76 km/h) |
| 75 mph (120.7 km/h) | 75.73 mph (121.88 km/h) |
| 80 mph (128.75 km/h) | 80.78 mph (130.01 km/h) |
| 85 mph (136.79 km/h) | 85.83 mph (138.13 km/h) |
| 90 mph (144.84 km/h) | 90.88 mph (146.26 km/h) |
| 95 mph (152.89 km/h) | 95.93 mph (154.39 km/h) |
| 100 mph (160.93 km/h) | 100.98 mph (162.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1204 | 1399 | 1507 | 1573 | 1645 | 1696 | 1753 | 1819 | 1911 | 2004 | 2106 | 2188 | 2337 | 2501 | 2629 | 2711 | 2757 | 2926 | 3162 | 3674 |
Better Fuel Economy Factory Ratios Increased Power
