Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/55-16 | 225/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.31 (642.9) | 26.09 (662.6) | 0.78 (19.7) 3.1% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 79.52 (2019.73) | 81.95 (2081.62) | 2.44 (61.89) 3.1% |
| Sidewall Height inches (mm) | 4.66 (118.25) | 3.54 (90) | -1.11 (-28.25) -23.9% |
| Revolutions per mile (km) | 796.81 (495.11) | 773.12 (480.39) | -23.69 (-14.72) -3% |
225/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.17 km/h) |
| 25 mph (40.23 km/h) | 25.77 mph (41.47 km/h) |
| 30 mph (48.28 km/h) | 30.92 mph (49.76 km/h) |
| 35 mph (56.33 km/h) | 36.07 mph (58.05 km/h) |
| 40 mph (64.37 km/h) | 41.23 mph (66.35 km/h) |
| 45 mph (72.42 km/h) | 46.38 mph (74.64 km/h) |
| 50 mph (80.47 km/h) | 51.53 mph (82.93 km/h) |
| 55 mph (88.51 km/h) | 56.69 mph (91.23 km/h) |
| 60 mph (96.56 km/h) | 61.84 mph (99.52 km/h) |
| 65 mph (104.61 km/h) | 66.99 mph (107.81 km/h) |
| 70 mph (112.65 km/h) | 72.14 mph (116.11 km/h) |
| 75 mph (120.7 km/h) | 77.3 mph (124.4 km/h) |
| 80 mph (128.75 km/h) | 82.45 mph (132.69 km/h) |
| 85 mph (136.79 km/h) | 87.6 mph (140.99 km/h) |
| 90 mph (144.84 km/h) | 92.76 mph (149.28 km/h) |
| 95 mph (152.89 km/h) | 97.91 mph (157.57 km/h) |
| 100 mph (160.93 km/h) | 103.06 mph (165.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
Better Fuel Economy Factory Ratios Increased Power
