Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-16 | 245/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.09 (586.4) | 23.72 (602.4) | 0.63 (16) 2.7% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 72.53 (1842.23) | 74.51 (1892.5) | 1.98 (50.27) 2.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.86 (98) | 0.31 (8) 8.9% |
| Revolutions per mile (km) | 873.58 (542.82) | 850.38 (528.4) | -23.2 (-14.42) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.55 mph (33.07 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.33 km/h) |
| 30 mph (48.28 km/h) | 30.82 mph (49.6 km/h) |
| 35 mph (56.33 km/h) | 35.95 mph (57.86 km/h) |
| 40 mph (64.37 km/h) | 41.09 mph (66.13 km/h) |
| 45 mph (72.42 km/h) | 46.23 mph (74.4 km/h) |
| 50 mph (80.47 km/h) | 51.36 mph (82.66 km/h) |
| 55 mph (88.51 km/h) | 56.5 mph (90.93 km/h) |
| 60 mph (96.56 km/h) | 61.64 mph (99.2 km/h) |
| 65 mph (104.61 km/h) | 66.77 mph (107.46 km/h) |
| 70 mph (112.65 km/h) | 71.91 mph (115.73 km/h) |
| 75 mph (120.7 km/h) | 77.05 mph (123.99 km/h) |
| 80 mph (128.75 km/h) | 82.18 mph (132.26 km/h) |
| 85 mph (136.79 km/h) | 87.32 mph (140.53 km/h) |
| 90 mph (144.84 km/h) | 92.46 mph (148.79 km/h) |
| 95 mph (152.89 km/h) | 97.59 mph (157.06 km/h) |
| 100 mph (160.93 km/h) | 102.73 mph (165.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2164 | 2514 | 2707 | 2827 | 2956 | 3048 | 3149 | 3269 | 3435 | 3601 | 3785 | 3932 | 4199 | 4494 | 4724 | 4871 | 4954 | 5258 | 5682 | 6603 |
Better Fuel Economy Factory Ratios Increased Power
