Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/40-19 | 240/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 26.61 (676) | 0.06 (1.4) 0.2% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 83.44 (2119.32) | 83.61 (2123.72) | 0.17 (4.4) 0.2% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.31 (84) | -0.47 (-12) -12.5% |
| Revolutions per mile (km) | 759.37 (471.85) | 757.8 (470.87) | -1.57 (-0.98) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.04 mph (32.25 km/h) |
| 25 mph (40.23 km/h) | 25.05 mph (40.32 km/h) |
| 30 mph (48.28 km/h) | 30.06 mph (48.38 km/h) |
| 35 mph (56.33 km/h) | 35.07 mph (56.44 km/h) |
| 40 mph (64.37 km/h) | 40.08 mph (64.51 km/h) |
| 45 mph (72.42 km/h) | 45.09 mph (72.57 km/h) |
| 50 mph (80.47 km/h) | 50.1 mph (80.63 km/h) |
| 55 mph (88.51 km/h) | 55.11 mph (88.7 km/h) |
| 60 mph (96.56 km/h) | 60.12 mph (96.76 km/h) |
| 65 mph (104.61 km/h) | 65.13 mph (104.82 km/h) |
| 70 mph (112.65 km/h) | 70.15 mph (112.89 km/h) |
| 75 mph (120.7 km/h) | 75.16 mph (120.95 km/h) |
| 80 mph (128.75 km/h) | 80.17 mph (129.01 km/h) |
| 85 mph (136.79 km/h) | 85.18 mph (137.08 km/h) |
| 90 mph (144.84 km/h) | 90.19 mph (145.14 km/h) |
| 95 mph (152.89 km/h) | 95.2 mph (153.21 km/h) |
| 100 mph (160.93 km/h) | 100.21 mph (161.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1928 | 2240 | 2413 | 2519 | 2634 | 2716 | 2807 | 2913 | 3061 | 3209 | 3373 | 3504 | 3742 | 4005 | 4210 | 4341 | 4415 | 4686 | 5063 | 5884 |
Better Fuel Economy Factory Ratios Increased Power
