Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 275/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 39.82 (1011.5) | -4.43 (-112.5) -10% |
| Width inches (mm) | 16.73 (425) | 10.83 (275) | -5.91 (-150) -35.3% |
| Circum. inches (mm) | 139.02 (3531.15) | 125.11 (3177.72) | -13.91 (-353.43) -10% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 8.66 (220) | -2.21 (-56.25) -20.4% |
| Revolutions per mile (km) | 455.76 (283.19) | 506.45 (314.69) | 50.69 (31.5) 11.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18 mph (28.97 km/h) |
| 25 mph (40.23 km/h) | 22.5 mph (36.21 km/h) |
| 30 mph (48.28 km/h) | 27 mph (43.45 km/h) |
| 35 mph (56.33 km/h) | 31.5 mph (50.69 km/h) |
| 40 mph (64.37 km/h) | 36 mph (57.93 km/h) |
| 45 mph (72.42 km/h) | 40.5 mph (65.17 km/h) |
| 50 mph (80.47 km/h) | 45 mph (72.41 km/h) |
| 55 mph (88.51 km/h) | 49.5 mph (79.65 km/h) |
| 60 mph (96.56 km/h) | 53.99 mph (86.9 km/h) |
| 65 mph (104.61 km/h) | 58.49 mph (94.14 km/h) |
| 70 mph (112.65 km/h) | 62.99 mph (101.38 km/h) |
| 75 mph (120.7 km/h) | 67.49 mph (108.62 km/h) |
| 80 mph (128.75 km/h) | 71.99 mph (115.86 km/h) |
| 85 mph (136.79 km/h) | 76.49 mph (123.1 km/h) |
| 90 mph (144.84 km/h) | 80.99 mph (130.34 km/h) |
| 95 mph (152.89 km/h) | 85.49 mph (137.59 km/h) |
| 100 mph (160.93 km/h) | 89.99 mph (144.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1289 | 1497 | 1612 | 1684 | 1760 | 1815 | 1876 | 1947 | 2046 | 2144 | 2254 | 2342 | 2501 | 2676 | 2813 | 2901 | 2951 | 3132 | 3384 | 3932 |
Better Fuel Economy Factory Ratios Increased Power
