Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 395/85-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 48.94 (1243) | 4.69 (119) 10.6% |
| Width inches (mm) | 16.73 (425) | 15.55 (395) | -1.18 (-30) -7.1% |
| Circum. inches (mm) | 139.02 (3531.15) | 153.74 (3905) | 14.72 (373.85) 10.6% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 13.22 (335.75) | 2.34 (59.5) 21.5% |
| Revolutions per mile (km) | 455.76 (283.19) | 412.12 (256.08) | -43.63 (-27.11) -9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.12 mph (35.59 km/h) |
| 25 mph (40.23 km/h) | 27.65 mph (44.49 km/h) |
| 30 mph (48.28 km/h) | 33.18 mph (53.39 km/h) |
| 35 mph (56.33 km/h) | 38.71 mph (62.29 km/h) |
| 40 mph (64.37 km/h) | 44.23 mph (71.19 km/h) |
| 45 mph (72.42 km/h) | 49.76 mph (80.09 km/h) |
| 50 mph (80.47 km/h) | 55.29 mph (88.99 km/h) |
| 55 mph (88.51 km/h) | 60.82 mph (97.89 km/h) |
| 60 mph (96.56 km/h) | 66.35 mph (106.78 km/h) |
| 65 mph (104.61 km/h) | 71.88 mph (115.68 km/h) |
| 70 mph (112.65 km/h) | 77.41 mph (124.58 km/h) |
| 75 mph (120.7 km/h) | 82.94 mph (133.48 km/h) |
| 80 mph (128.75 km/h) | 88.47 mph (142.38 km/h) |
| 85 mph (136.79 km/h) | 94 mph (151.28 km/h) |
| 90 mph (144.84 km/h) | 99.53 mph (160.18 km/h) |
| 95 mph (152.89 km/h) | 105.06 mph (169.07 km/h) |
| 100 mph (160.93 km/h) | 110.59 mph (177.97 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
