Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 280/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 31.54 (801) | 5.14 (130.6) 19.5% |
| Width inches (mm) | 9.45 (240) | 11.02 (280) | 1.57 (40) 16.7% |
| Circum. inches (mm) | 82.92 (2106.12) | 99.07 (2516.42) | 16.15 (410.29) 19.5% |
| Sidewall Height inches (mm) | 5.2 (132) | 8.27 (210) | 3.07 (78) 59.1% |
| Revolutions per mile (km) | 764.13 (474.81) | 639.54 (397.39) | -124.59 (-77.42) -16.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.9 mph (38.46 km/h) |
| 25 mph (40.23 km/h) | 29.87 mph (48.07 km/h) |
| 30 mph (48.28 km/h) | 35.84 mph (57.69 km/h) |
| 35 mph (56.33 km/h) | 41.82 mph (67.3 km/h) |
| 40 mph (64.37 km/h) | 47.79 mph (76.91 km/h) |
| 45 mph (72.42 km/h) | 53.77 mph (86.53 km/h) |
| 50 mph (80.47 km/h) | 59.74 mph (96.14 km/h) |
| 55 mph (88.51 km/h) | 65.71 mph (105.76 km/h) |
| 60 mph (96.56 km/h) | 71.69 mph (115.37 km/h) |
| 65 mph (104.61 km/h) | 77.66 mph (124.99 km/h) |
| 70 mph (112.65 km/h) | 83.64 mph (134.6 km/h) |
| 75 mph (120.7 km/h) | 89.61 mph (144.21 km/h) |
| 80 mph (128.75 km/h) | 95.58 mph (153.83 km/h) |
| 85 mph (136.79 km/h) | 101.56 mph (163.44 km/h) |
| 90 mph (144.84 km/h) | 107.53 mph (173.06 km/h) |
| 95 mph (152.89 km/h) | 113.51 mph (182.67 km/h) |
| 100 mph (160.93 km/h) | 119.48 mph (192.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1628 | 1891 | 2036 | 2126 | 2223 | 2292 | 2369 | 2459 | 2583 | 2708 | 2846 | 2957 | 3158 | 3380 | 3553 | 3664 | 3726 | 3954 | 4273 | 4966 |
Better Fuel Economy Factory Ratios Increased Power
