Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 250/45-17 | 240/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.86 (656.8) | 27.39 (695.8) | 1.54 (39) 5.9% |
| Width inches (mm) | 9.84 (250) | 9.45 (240) | -0.39 (-10) -4% |
| Circum. inches (mm) | 81.24 (2063.4) | 86.06 (2185.92) | 4.82 (122.52) 5.9% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.2 (132) | 0.77 (19.5) 17.3% |
| Revolutions per mile (km) | 779.95 (484.64) | 736.23 (457.47) | -43.72 (-27.16) -5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.19 mph (34.1 km/h) |
| 25 mph (40.23 km/h) | 26.48 mph (42.62 km/h) |
| 30 mph (48.28 km/h) | 31.78 mph (51.15 km/h) |
| 35 mph (56.33 km/h) | 37.08 mph (59.67 km/h) |
| 40 mph (64.37 km/h) | 42.38 mph (68.2 km/h) |
| 45 mph (72.42 km/h) | 47.67 mph (76.72 km/h) |
| 50 mph (80.47 km/h) | 52.97 mph (85.25 km/h) |
| 55 mph (88.51 km/h) | 58.27 mph (93.77 km/h) |
| 60 mph (96.56 km/h) | 63.56 mph (102.29 km/h) |
| 65 mph (104.61 km/h) | 68.86 mph (110.82 km/h) |
| 70 mph (112.65 km/h) | 74.16 mph (119.34 km/h) |
| 75 mph (120.7 km/h) | 79.45 mph (127.87 km/h) |
| 80 mph (128.75 km/h) | 84.75 mph (136.39 km/h) |
| 85 mph (136.79 km/h) | 90.05 mph (144.92 km/h) |
| 90 mph (144.84 km/h) | 95.34 mph (153.44 km/h) |
| 95 mph (152.89 km/h) | 100.64 mph (161.97 km/h) |
| 100 mph (160.93 km/h) | 105.94 mph (170.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1874 | 2177 | 2344 | 2448 | 2559 | 2639 | 2727 | 2830 | 2974 | 3117 | 3277 | 3404 | 3636 | 3891 | 4090 | 4218 | 4289 | 4552 | 4919 | 5716 |
Better Fuel Economy Factory Ratios Increased Power
