Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/45-17 | 245/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 26.65 (676.8) | -0.1 (-2.5) -0.4% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 84.02 (2134.08) | 83.71 (2126.23) | -0.31 (-7.85) -0.4% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.82 (122.5) | -0.05 (-1.25) -1% |
| Revolutions per mile (km) | 754.11 (468.58) | 756.9 (470.32) | 2.79 (1.73) 0.4% |
245/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.07 km/h) |
| 25 mph (40.23 km/h) | 24.91 mph (40.09 km/h) |
| 30 mph (48.28 km/h) | 29.89 mph (48.1 km/h) |
| 35 mph (56.33 km/h) | 34.87 mph (56.12 km/h) |
| 40 mph (64.37 km/h) | 39.85 mph (64.14 km/h) |
| 45 mph (72.42 km/h) | 44.83 mph (72.15 km/h) |
| 50 mph (80.47 km/h) | 49.82 mph (80.17 km/h) |
| 55 mph (88.51 km/h) | 54.8 mph (88.19 km/h) |
| 60 mph (96.56 km/h) | 59.78 mph (96.21 km/h) |
| 65 mph (104.61 km/h) | 64.76 mph (104.22 km/h) |
| 70 mph (112.65 km/h) | 69.74 mph (112.24 km/h) |
| 75 mph (120.7 km/h) | 74.72 mph (120.26 km/h) |
| 80 mph (128.75 km/h) | 79.71 mph (128.27 km/h) |
| 85 mph (136.79 km/h) | 84.69 mph (136.29 km/h) |
| 90 mph (144.84 km/h) | 89.67 mph (144.31 km/h) |
| 95 mph (152.89 km/h) | 94.65 mph (152.33 km/h) |
| 100 mph (160.93 km/h) | 99.63 mph (160.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1926 | 2238 | 2410 | 2516 | 2631 | 2713 | 2803 | 2910 | 3057 | 3205 | 3369 | 3500 | 3738 | 4000 | 4205 | 4336 | 4410 | 4680 | 5057 | 5877 |
Better Fuel Economy Factory Ratios Increased Power
