Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 275/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 37.66 (956.5) | -6.59 (-167.5) -14.9% |
| Width inches (mm) | 16.73 (425) | 10.83 (275) | -5.91 (-150) -35.3% |
| Circum. inches (mm) | 139.02 (3531.15) | 118.3 (3004.93) | -20.72 (-526.22) -14.9% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 7.58 (192.5) | -3.3 (-83.75) -30.3% |
| Revolutions per mile (km) | 455.76 (283.19) | 535.57 (332.79) | 79.81 (49.59) 17.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.02 mph (27.39 km/h) |
| 25 mph (40.23 km/h) | 21.27 mph (34.24 km/h) |
| 30 mph (48.28 km/h) | 25.53 mph (41.09 km/h) |
| 35 mph (56.33 km/h) | 29.78 mph (47.93 km/h) |
| 40 mph (64.37 km/h) | 34.04 mph (54.78 km/h) |
| 45 mph (72.42 km/h) | 38.29 mph (61.63 km/h) |
| 50 mph (80.47 km/h) | 42.55 mph (68.48 km/h) |
| 55 mph (88.51 km/h) | 46.8 mph (75.32 km/h) |
| 60 mph (96.56 km/h) | 51.06 mph (82.17 km/h) |
| 65 mph (104.61 km/h) | 55.31 mph (89.02 km/h) |
| 70 mph (112.65 km/h) | 59.57 mph (95.87 km/h) |
| 75 mph (120.7 km/h) | 63.82 mph (102.71 km/h) |
| 80 mph (128.75 km/h) | 68.08 mph (109.56 km/h) |
| 85 mph (136.79 km/h) | 72.33 mph (116.41 km/h) |
| 90 mph (144.84 km/h) | 76.59 mph (123.26 km/h) |
| 95 mph (152.89 km/h) | 80.84 mph (130.1 km/h) |
| 100 mph (160.93 km/h) | 85.1 mph (136.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1363 | 1583 | 1705 | 1780 | 1862 | 1920 | 1983 | 2059 | 2163 | 2268 | 2384 | 2476 | 2645 | 2830 | 2975 | 3068 | 3120 | 3312 | 3578 | 4158 |
Better Fuel Economy Factory Ratios Increased Power
