Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/40-19 | 265/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 27.35 (694.6) | 0.79 (20) 3% |
| Width inches (mm) | 9.45 (240) | 10.43 (265) | 0.98 (25) 10.4% |
| Circum. inches (mm) | 83.44 (2119.32) | 85.91 (2182.15) | 2.47 (62.83) 3% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.17 (106) | 0.39 (10) 10.4% |
| Revolutions per mile (km) | 759.37 (471.85) | 737.5 (458.26) | -21.86 (-13.59) -2.9% |
265/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.14 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.43 km/h) |
| 30 mph (48.28 km/h) | 30.89 mph (49.71 km/h) |
| 35 mph (56.33 km/h) | 36.04 mph (58 km/h) |
| 40 mph (64.37 km/h) | 41.19 mph (66.28 km/h) |
| 45 mph (72.42 km/h) | 46.33 mph (74.57 km/h) |
| 50 mph (80.47 km/h) | 51.48 mph (82.85 km/h) |
| 55 mph (88.51 km/h) | 56.63 mph (91.14 km/h) |
| 60 mph (96.56 km/h) | 61.78 mph (99.42 km/h) |
| 65 mph (104.61 km/h) | 66.93 mph (107.71 km/h) |
| 70 mph (112.65 km/h) | 72.08 mph (115.99 km/h) |
| 75 mph (120.7 km/h) | 77.22 mph (124.28 km/h) |
| 80 mph (128.75 km/h) | 82.37 mph (132.56 km/h) |
| 85 mph (136.79 km/h) | 87.52 mph (140.85 km/h) |
| 90 mph (144.84 km/h) | 92.67 mph (149.14 km/h) |
| 95 mph (152.89 km/h) | 97.82 mph (157.42 km/h) |
| 100 mph (160.93 km/h) | 102.96 mph (165.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1877 | 2180 | 2348 | 2452 | 2564 | 2644 | 2731 | 2835 | 2979 | 3123 | 3282 | 3410 | 3642 | 3897 | 4097 | 4225 | 4297 | 4560 | 4928 | 5726 |
Better Fuel Economy Factory Ratios Increased Power
