Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 385/65-22.5 | 385/45-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.2 (1072) | 36.14 (918) | -6.06 (-154) -14.4% |
| Width inches (mm) | 15.16 (385) | 15.16 (385) | 0 (0) 0% |
| Circum. inches (mm) | 132.59 (3367.79) | 113.54 (2883.98) | -19.05 (-483.81) -14.4% |
| Sidewall Height inches (mm) | 9.85 (250.25) | 6.82 (173.25) | -3.03 (-77) -30.8% |
| Revolutions per mile (km) | 477.86 (296.93) | 558.03 (346.74) | 80.16 (49.81) 16.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.13 mph (27.56 km/h) |
| 25 mph (40.23 km/h) | 21.41 mph (34.45 km/h) |
| 30 mph (48.28 km/h) | 25.69 mph (41.34 km/h) |
| 35 mph (56.33 km/h) | 29.97 mph (48.24 km/h) |
| 40 mph (64.37 km/h) | 34.25 mph (55.13 km/h) |
| 45 mph (72.42 km/h) | 38.54 mph (62.02 km/h) |
| 50 mph (80.47 km/h) | 42.82 mph (68.91 km/h) |
| 55 mph (88.51 km/h) | 47.1 mph (75.8 km/h) |
| 60 mph (96.56 km/h) | 51.38 mph (82.69 km/h) |
| 65 mph (104.61 km/h) | 55.66 mph (89.58 km/h) |
| 70 mph (112.65 km/h) | 59.94 mph (96.47 km/h) |
| 75 mph (120.7 km/h) | 64.23 mph (103.36 km/h) |
| 80 mph (128.75 km/h) | 68.51 mph (110.25 km/h) |
| 85 mph (136.79 km/h) | 72.79 mph (117.14 km/h) |
| 90 mph (144.84 km/h) | 77.07 mph (124.03 km/h) |
| 95 mph (152.89 km/h) | 81.35 mph (130.92 km/h) |
| 100 mph (160.93 km/h) | 85.63 mph (137.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1420 | 1650 | 1777 | 1855 | 1940 | 2000 | 2067 | 2145 | 2254 | 2363 | 2484 | 2580 | 2756 | 2949 | 3100 | 3197 | 3251 | 3450 | 3728 | 4333 |
Better Fuel Economy Factory Ratios Increased Power
