Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/45-18 | 240/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.5 (673.2) | 28.45 (722.6) | 1.94 (49.4) 7.3% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 83.26 (2114.92) | 89.37 (2270.11) | 6.11 (155.19) 7.3% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.72 (120) | 0.47 (12) 11.1% |
| Revolutions per mile (km) | 760.95 (472.83) | 708.93 (440.51) | -52.02 (-32.32) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.47 mph (34.55 km/h) |
| 25 mph (40.23 km/h) | 26.83 mph (43.19 km/h) |
| 30 mph (48.28 km/h) | 32.2 mph (51.82 km/h) |
| 35 mph (56.33 km/h) | 37.57 mph (60.46 km/h) |
| 40 mph (64.37 km/h) | 42.94 mph (69.1 km/h) |
| 45 mph (72.42 km/h) | 48.3 mph (77.73 km/h) |
| 50 mph (80.47 km/h) | 53.67 mph (86.37 km/h) |
| 55 mph (88.51 km/h) | 59.04 mph (95.01 km/h) |
| 60 mph (96.56 km/h) | 64.4 mph (103.65 km/h) |
| 65 mph (104.61 km/h) | 69.77 mph (112.28 km/h) |
| 70 mph (112.65 km/h) | 75.14 mph (120.92 km/h) |
| 75 mph (120.7 km/h) | 80.5 mph (129.56 km/h) |
| 80 mph (128.75 km/h) | 85.87 mph (138.2 km/h) |
| 85 mph (136.79 km/h) | 91.24 mph (146.83 km/h) |
| 90 mph (144.84 km/h) | 96.6 mph (155.47 km/h) |
| 95 mph (152.89 km/h) | 101.97 mph (164.11 km/h) |
| 100 mph (160.93 km/h) | 107.34 mph (172.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1804 | 2096 | 2257 | 2357 | 2464 | 2541 | 2626 | 2725 | 2864 | 3002 | 3155 | 3278 | 3501 | 3746 | 3938 | 4061 | 4130 | 4384 | 4737 | 5504 |
Better Fuel Economy Factory Ratios Increased Power
