Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/70-14 | 280/50-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.6) | 25.02 (635.6) | -1.1 (-28) -4.2% |
| Width inches (mm) | 8.66 (220) | 11.02 (280) | 2.36 (60) 27.3% |
| Circum. inches (mm) | 82.08 (2084.76) | 78.61 (1996.8) | -3.46 (-87.96) -4.2% |
| Sidewall Height inches (mm) | 6.06 (154) | 5.51 (140) | -0.55 (-14) -9.1% |
| Revolutions per mile (km) | 771.96 (479.67) | 805.96 (500.8) | 34.01 (21.13) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.83 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.73 mph (46.24 km/h) |
| 35 mph (56.33 km/h) | 33.52 mph (53.95 km/h) |
| 40 mph (64.37 km/h) | 38.31 mph (61.66 km/h) |
| 45 mph (72.42 km/h) | 43.1 mph (69.36 km/h) |
| 50 mph (80.47 km/h) | 47.89 mph (77.07 km/h) |
| 55 mph (88.51 km/h) | 52.68 mph (84.78 km/h) |
| 60 mph (96.56 km/h) | 57.47 mph (92.49 km/h) |
| 65 mph (104.61 km/h) | 62.26 mph (100.19 km/h) |
| 70 mph (112.65 km/h) | 67.05 mph (107.9 km/h) |
| 75 mph (120.7 km/h) | 71.84 mph (115.61 km/h) |
| 80 mph (128.75 km/h) | 76.62 mph (123.32 km/h) |
| 85 mph (136.79 km/h) | 81.41 mph (131.02 km/h) |
| 90 mph (144.84 km/h) | 86.2 mph (138.73 km/h) |
| 95 mph (152.89 km/h) | 90.99 mph (146.44 km/h) |
| 100 mph (160.93 km/h) | 95.78 mph (154.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2383 | 2566 | 2679 | 2802 | 2889 | 2985 | 3098 | 3255 | 3413 | 3587 | 3727 | 3980 | 4259 | 4477 | 4617 | 4696 | 4984 | 5385 | 6258 |
Better Fuel Economy Factory Ratios Increased Power
