Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/50-19 | 245/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.43 (747.6) | 27.68 (703.1) | -1.75 (-44.5) -6% |
| Width inches (mm) | 10.43 (265) | 9.65 (245) | -0.79 (-20) -7.5% |
| Circum. inches (mm) | 92.47 (2348.65) | 86.96 (2208.85) | -5.5 (-139.8) -6% |
| Sidewall Height inches (mm) | 5.22 (132.5) | 4.34 (110.25) | -0.88 (-22.25) -16.8% |
| Revolutions per mile (km) | 685.22 (425.77) | 728.59 (452.72) | 43.37 (26.95) 6.3% |
245/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.81 mph (30.27 km/h) |
| 25 mph (40.23 km/h) | 23.51 mph (37.84 km/h) |
| 30 mph (48.28 km/h) | 28.21 mph (45.41 km/h) |
| 35 mph (56.33 km/h) | 32.92 mph (52.97 km/h) |
| 40 mph (64.37 km/h) | 37.62 mph (60.54 km/h) |
| 45 mph (72.42 km/h) | 42.32 mph (68.11 km/h) |
| 50 mph (80.47 km/h) | 47.02 mph (75.68 km/h) |
| 55 mph (88.51 km/h) | 51.73 mph (83.25 km/h) |
| 60 mph (96.56 km/h) | 56.43 mph (90.81 km/h) |
| 65 mph (104.61 km/h) | 61.13 mph (98.38 km/h) |
| 70 mph (112.65 km/h) | 65.83 mph (105.95 km/h) |
| 75 mph (120.7 km/h) | 70.54 mph (113.52 km/h) |
| 80 mph (128.75 km/h) | 75.24 mph (121.08 km/h) |
| 85 mph (136.79 km/h) | 79.94 mph (128.65 km/h) |
| 90 mph (144.84 km/h) | 84.64 mph (136.22 km/h) |
| 95 mph (152.89 km/h) | 89.35 mph (143.79 km/h) |
| 100 mph (160.93 km/h) | 94.05 mph (151.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1854 | 2154 | 2320 | 2422 | 2533 | 2612 | 2698 | 2801 | 2943 | 3085 | 3243 | 3369 | 3598 | 3850 | 4047 | 4174 | 4245 | 4505 | 4868 | 5657 |
Better Fuel Economy Factory Ratios Increased Power
