Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 255/20-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 26.02 (660.8) | 0.6 (15.3) 2.4% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 79.84 (2027.9) | 81.73 (2075.96) | 1.89 (48.07) 2.4% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 2.01 (51) | -0.7 (-17.75) -25.8% |
| Revolutions per mile (km) | 793.6 (493.12) | 775.23 (481.7) | -18.37 (-11.42) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.19 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.9 km/h) |
| 45 mph (72.42 km/h) | 46.07 mph (74.14 km/h) |
| 50 mph (80.47 km/h) | 51.19 mph (82.37 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.61 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.85 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.09 km/h) |
| 70 mph (112.65 km/h) | 71.66 mph (115.32 km/h) |
| 75 mph (120.7 km/h) | 76.78 mph (123.56 km/h) |
| 80 mph (128.75 km/h) | 81.9 mph (131.8 km/h) |
| 85 mph (136.79 km/h) | 87.01 mph (140.04 km/h) |
| 90 mph (144.84 km/h) | 92.13 mph (148.27 km/h) |
| 95 mph (152.89 km/h) | 97.25 mph (156.51 km/h) |
| 100 mph (160.93 km/h) | 102.37 mph (164.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973 | 2292 | 2468 | 2577 | 2695 | 2779 | 2871 | 2980 | 3131 | 3282 | 3450 | 3585 | 3828 | 4097 | 4307 | 4441 | 4516 | 4793 | 5180 | 6019 |
Better Fuel Economy Factory Ratios Increased Power
