Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 245/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 31.43 (798.4) | 5.04 (128) 19.1% |
| Width inches (mm) | 9.45 (240) | 9.65 (245) | 0.2 (5) 2.1% |
| Circum. inches (mm) | 82.92 (2106.12) | 98.75 (2508.25) | 15.83 (402.12) 19.1% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.72 (196) | 2.52 (64) 48.5% |
| Revolutions per mile (km) | 764.13 (474.81) | 641.62 (398.68) | -122.51 (-76.12) -16% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.82 mph (38.33 km/h) |
| 25 mph (40.23 km/h) | 29.77 mph (47.92 km/h) |
| 30 mph (48.28 km/h) | 35.73 mph (57.5 km/h) |
| 35 mph (56.33 km/h) | 41.68 mph (67.08 km/h) |
| 40 mph (64.37 km/h) | 47.64 mph (76.66 km/h) |
| 45 mph (72.42 km/h) | 53.59 mph (86.25 km/h) |
| 50 mph (80.47 km/h) | 59.55 mph (95.83 km/h) |
| 55 mph (88.51 km/h) | 65.5 mph (105.41 km/h) |
| 60 mph (96.56 km/h) | 71.46 mph (115 km/h) |
| 65 mph (104.61 km/h) | 77.41 mph (124.58 km/h) |
| 70 mph (112.65 km/h) | 83.37 mph (134.16 km/h) |
| 75 mph (120.7 km/h) | 89.32 mph (143.75 km/h) |
| 80 mph (128.75 km/h) | 95.27 mph (153.33 km/h) |
| 85 mph (136.79 km/h) | 101.23 mph (162.91 km/h) |
| 90 mph (144.84 km/h) | 107.18 mph (172.5 km/h) |
| 95 mph (152.89 km/h) | 113.14 mph (182.08 km/h) |
| 100 mph (160.93 km/h) | 119.09 mph (191.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1633 | 1897 | 2043 | 2133 | 2230 | 2300 | 2376 | 2467 | 2592 | 2717 | 2856 | 2967 | 3168 | 3391 | 3564 | 3676 | 3738 | 3967 | 4287 | 4982 |
Better Fuel Economy Factory Ratios Increased Power
