Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 305/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 38.11 (968) | -6.14 (-156) -13.9% |
| Width inches (mm) | 16.73 (425) | 12.01 (305) | -4.72 (-120) -28.2% |
| Circum. inches (mm) | 139.02 (3531.15) | 119.73 (3041.06) | -19.29 (-490.09) -13.9% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 7.81 (198.25) | -3.07 (-78) -28.2% |
| Revolutions per mile (km) | 455.76 (283.19) | 529.2 (328.83) | 73.45 (45.64) 16.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.22 mph (27.72 km/h) |
| 25 mph (40.23 km/h) | 21.53 mph (34.65 km/h) |
| 30 mph (48.28 km/h) | 25.84 mph (41.58 km/h) |
| 35 mph (56.33 km/h) | 30.14 mph (48.51 km/h) |
| 40 mph (64.37 km/h) | 34.45 mph (55.44 km/h) |
| 45 mph (72.42 km/h) | 38.75 mph (62.37 km/h) |
| 50 mph (80.47 km/h) | 43.06 mph (69.3 km/h) |
| 55 mph (88.51 km/h) | 47.37 mph (76.23 km/h) |
| 60 mph (96.56 km/h) | 51.67 mph (83.16 km/h) |
| 65 mph (104.61 km/h) | 55.98 mph (90.09 km/h) |
| 70 mph (112.65 km/h) | 60.28 mph (97.02 km/h) |
| 75 mph (120.7 km/h) | 64.59 mph (103.95 km/h) |
| 80 mph (128.75 km/h) | 68.9 mph (110.88 km/h) |
| 85 mph (136.79 km/h) | 73.2 mph (117.81 km/h) |
| 90 mph (144.84 km/h) | 77.51 mph (124.74 km/h) |
| 95 mph (152.89 km/h) | 81.81 mph (131.67 km/h) |
| 100 mph (160.93 km/h) | 86.12 mph (138.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1347 | 1564 | 1685 | 1759 | 1840 | 1897 | 1960 | 2034 | 2138 | 2241 | 2355 | 2447 | 2613 | 2797 | 2940 | 3032 | 3083 | 3272 | 3536 | 4109 |
Better Fuel Economy Factory Ratios Increased Power
