Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 285/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 38.21 (970.5) | -6.04 (-153.5) -13.7% |
| Width inches (mm) | 16.73 (425) | 11.22 (285) | -5.51 (-140) -32.9% |
| Circum. inches (mm) | 139.02 (3531.15) | 120.04 (3048.92) | -18.99 (-482.23) -13.7% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 7.85 (199.5) | -3.02 (-76.75) -27.8% |
| Revolutions per mile (km) | 455.76 (283.19) | 527.84 (327.98) | 72.09 (44.79) 15.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.27 mph (27.79 km/h) |
| 25 mph (40.23 km/h) | 21.59 mph (34.74 km/h) |
| 30 mph (48.28 km/h) | 25.9 mph (41.69 km/h) |
| 35 mph (56.33 km/h) | 30.22 mph (48.63 km/h) |
| 40 mph (64.37 km/h) | 34.54 mph (55.58 km/h) |
| 45 mph (72.42 km/h) | 38.85 mph (62.53 km/h) |
| 50 mph (80.47 km/h) | 43.17 mph (69.48 km/h) |
| 55 mph (88.51 km/h) | 47.49 mph (76.43 km/h) |
| 60 mph (96.56 km/h) | 51.81 mph (83.37 km/h) |
| 65 mph (104.61 km/h) | 56.12 mph (90.32 km/h) |
| 70 mph (112.65 km/h) | 60.44 mph (97.27 km/h) |
| 75 mph (120.7 km/h) | 64.76 mph (104.22 km/h) |
| 80 mph (128.75 km/h) | 69.07 mph (111.17 km/h) |
| 85 mph (136.79 km/h) | 73.39 mph (118.11 km/h) |
| 90 mph (144.84 km/h) | 77.71 mph (125.06 km/h) |
| 95 mph (152.89 km/h) | 82.03 mph (132.01 km/h) |
| 100 mph (160.93 km/h) | 86.34 mph (138.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1343 | 1560 | 1680 | 1755 | 1835 | 1892 | 1955 | 2029 | 2132 | 2235 | 2349 | 2441 | 2606 | 2789 | 2932 | 3024 | 3075 | 3264 | 3527 | 4098 |
Better Fuel Economy Factory Ratios Increased Power
