Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 280/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 27.13 (689) | 0.73 (18.6) 2.8% |
| Width inches (mm) | 9.45 (240) | 11.02 (280) | 1.57 (40) 16.7% |
| Circum. inches (mm) | 82.92 (2106.12) | 85.22 (2164.56) | 2.3 (58.43) 2.8% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.06 (154) | 0.87 (22) 16.7% |
| Revolutions per mile (km) | 764.13 (474.81) | 743.5 (461.99) | -20.63 (-12.82) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.55 mph (33.08 km/h) |
| 25 mph (40.23 km/h) | 25.69 mph (41.35 km/h) |
| 30 mph (48.28 km/h) | 30.83 mph (49.62 km/h) |
| 35 mph (56.33 km/h) | 35.97 mph (57.89 km/h) |
| 40 mph (64.37 km/h) | 41.11 mph (66.16 km/h) |
| 45 mph (72.42 km/h) | 46.25 mph (74.43 km/h) |
| 50 mph (80.47 km/h) | 51.39 mph (82.7 km/h) |
| 55 mph (88.51 km/h) | 56.53 mph (90.97 km/h) |
| 60 mph (96.56 km/h) | 61.66 mph (99.24 km/h) |
| 65 mph (104.61 km/h) | 66.8 mph (107.51 km/h) |
| 70 mph (112.65 km/h) | 71.94 mph (115.78 km/h) |
| 75 mph (120.7 km/h) | 77.08 mph (124.05 km/h) |
| 80 mph (128.75 km/h) | 82.22 mph (132.32 km/h) |
| 85 mph (136.79 km/h) | 87.36 mph (140.59 km/h) |
| 90 mph (144.84 km/h) | 92.5 mph (148.86 km/h) |
| 95 mph (152.89 km/h) | 97.64 mph (157.13 km/h) |
| 100 mph (160.93 km/h) | 102.77 mph (165.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1892 | 2198 | 2367 | 2472 | 2584 | 2665 | 2754 | 2858 | 3003 | 3148 | 3309 | 3438 | 3671 | 3929 | 4130 | 4259 | 4332 | 4597 | 4968 | 5773 |
Better Fuel Economy Factory Ratios Increased Power
