Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-19 | 245/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.09 (662.6) | 26.72 (678.6) | 0.63 (16) 2.4% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 81.95 (2081.62) | 83.93 (2131.88) | 1.98 (50.27) 2.4% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.86 (98) | 0.31 (8) 8.9% |
| Revolutions per mile (km) | 773.12 (480.39) | 754.89 (469.07) | -18.23 (-11.33) -2.4% |
245/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.48 mph (32.96 km/h) |
| 25 mph (40.23 km/h) | 25.6 mph (41.21 km/h) |
| 30 mph (48.28 km/h) | 30.72 mph (49.45 km/h) |
| 35 mph (56.33 km/h) | 35.85 mph (57.69 km/h) |
| 40 mph (64.37 km/h) | 40.97 mph (65.93 km/h) |
| 45 mph (72.42 km/h) | 46.09 mph (74.17 km/h) |
| 50 mph (80.47 km/h) | 51.21 mph (82.41 km/h) |
| 55 mph (88.51 km/h) | 56.33 mph (90.65 km/h) |
| 60 mph (96.56 km/h) | 61.45 mph (98.89 km/h) |
| 65 mph (104.61 km/h) | 66.57 mph (107.13 km/h) |
| 70 mph (112.65 km/h) | 71.69 mph (115.37 km/h) |
| 75 mph (120.7 km/h) | 76.81 mph (123.62 km/h) |
| 80 mph (128.75 km/h) | 81.93 mph (131.86 km/h) |
| 85 mph (136.79 km/h) | 87.05 mph (140.1 km/h) |
| 90 mph (144.84 km/h) | 92.17 mph (148.34 km/h) |
| 95 mph (152.89 km/h) | 97.29 mph (156.58 km/h) |
| 100 mph (160.93 km/h) | 102.41 mph (164.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1921 | 2232 | 2403 | 2510 | 2624 | 2706 | 2796 | 2902 | 3049 | 3196 | 3360 | 3491 | 3728 | 3989 | 4194 | 4324 | 4398 | 4668 | 5044 | 5861 |
Better Fuel Economy Factory Ratios Increased Power
