Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 385/65-22.5 | 385/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.2 (1072) | 43.72 (1110.5) | 1.52 (38.5) 3.6% |
| Width inches (mm) | 15.16 (385) | 15.16 (385) | 0 (0) 0% |
| Circum. inches (mm) | 132.59 (3367.79) | 137.35 (3488.74) | 4.76 (120.95) 3.6% |
| Sidewall Height inches (mm) | 9.85 (250.25) | 10.61 (269.5) | 0.76 (19.25) 7.7% |
| Revolutions per mile (km) | 477.86 (296.93) | 461.3 (286.64) | -16.57 (-10.29) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.72 mph (33.34 km/h) |
| 25 mph (40.23 km/h) | 25.9 mph (41.68 km/h) |
| 30 mph (48.28 km/h) | 31.08 mph (50.01 km/h) |
| 35 mph (56.33 km/h) | 36.26 mph (58.35 km/h) |
| 40 mph (64.37 km/h) | 41.44 mph (66.69 km/h) |
| 45 mph (72.42 km/h) | 46.62 mph (75.02 km/h) |
| 50 mph (80.47 km/h) | 51.8 mph (83.36 km/h) |
| 55 mph (88.51 km/h) | 56.98 mph (91.69 km/h) |
| 60 mph (96.56 km/h) | 62.15 mph (100.03 km/h) |
| 65 mph (104.61 km/h) | 67.33 mph (108.36 km/h) |
| 70 mph (112.65 km/h) | 72.51 mph (116.7 km/h) |
| 75 mph (120.7 km/h) | 77.69 mph (125.04 km/h) |
| 80 mph (128.75 km/h) | 82.87 mph (133.37 km/h) |
| 85 mph (136.79 km/h) | 88.05 mph (141.71 km/h) |
| 90 mph (144.84 km/h) | 93.23 mph (150.04 km/h) |
| 95 mph (152.89 km/h) | 98.41 mph (158.38 km/h) |
| 100 mph (160.93 km/h) | 103.59 mph (166.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1174 | 1364 | 1469 | 1534 | 1604 | 1653 | 1708 | 1773 | 1863 | 1953 | 2053 | 2133 | 2278 | 2438 | 2563 | 2643 | 2688 | 2852 | 3082 | 3582 |
Better Fuel Economy Factory Ratios Increased Power
