Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 245/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 29.47 (748.5) | 3.07 (78.1) 11.6% |
| Width inches (mm) | 9.45 (240) | 9.65 (245) | 0.2 (5) 2.1% |
| Circum. inches (mm) | 82.92 (2106.12) | 92.58 (2351.48) | 9.66 (245.36) 11.6% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.23 (183.75) | 2.04 (51.75) 39.2% |
| Revolutions per mile (km) | 764.13 (474.81) | 684.4 (425.26) | -79.73 (-49.54) -10.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.33 mph (35.94 km/h) |
| 25 mph (40.23 km/h) | 27.91 mph (44.92 km/h) |
| 30 mph (48.28 km/h) | 33.49 mph (53.9 km/h) |
| 35 mph (56.33 km/h) | 39.08 mph (62.89 km/h) |
| 40 mph (64.37 km/h) | 44.66 mph (71.87 km/h) |
| 45 mph (72.42 km/h) | 50.24 mph (80.86 km/h) |
| 50 mph (80.47 km/h) | 55.82 mph (89.84 km/h) |
| 55 mph (88.51 km/h) | 61.41 mph (98.83 km/h) |
| 60 mph (96.56 km/h) | 66.99 mph (107.81 km/h) |
| 65 mph (104.61 km/h) | 72.57 mph (116.79 km/h) |
| 70 mph (112.65 km/h) | 78.15 mph (125.78 km/h) |
| 75 mph (120.7 km/h) | 83.74 mph (134.76 km/h) |
| 80 mph (128.75 km/h) | 89.32 mph (143.75 km/h) |
| 85 mph (136.79 km/h) | 94.9 mph (152.73 km/h) |
| 90 mph (144.84 km/h) | 100.48 mph (161.71 km/h) |
| 95 mph (152.89 km/h) | 106.07 mph (170.7 km/h) |
| 100 mph (160.93 km/h) | 111.65 mph (179.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1742 | 2023 | 2179 | 2275 | 2379 | 2453 | 2535 | 2631 | 2764 | 2898 | 3046 | 3165 | 3380 | 3617 | 3802 | 3921 | 3987 | 4232 | 4573 | 5314 |
Better Fuel Economy Factory Ratios Increased Power
