Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-17 | 275/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.83 (706.8) | 26.74 (679.3) | -1.08 (-27.5) -3.9% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 87.42 (2220.48) | 84.02 (2134.08) | -3.4 (-86.39) -3.9% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 4.87 (123.75) | -0.54 (-13.75) -10% |
| Revolutions per mile (km) | 724.77 (450.35) | 754.11 (468.58) | 29.34 (18.23) 4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.93 km/h) |
| 25 mph (40.23 km/h) | 24.03 mph (38.67 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.4 km/h) |
| 35 mph (56.33 km/h) | 33.64 mph (54.14 km/h) |
| 40 mph (64.37 km/h) | 38.44 mph (61.87 km/h) |
| 45 mph (72.42 km/h) | 43.25 mph (69.6 km/h) |
| 50 mph (80.47 km/h) | 48.05 mph (77.34 km/h) |
| 55 mph (88.51 km/h) | 52.86 mph (85.07 km/h) |
| 60 mph (96.56 km/h) | 57.67 mph (92.8 km/h) |
| 65 mph (104.61 km/h) | 62.47 mph (100.54 km/h) |
| 70 mph (112.65 km/h) | 67.28 mph (108.27 km/h) |
| 75 mph (120.7 km/h) | 72.08 mph (116 km/h) |
| 80 mph (128.75 km/h) | 76.89 mph (123.74 km/h) |
| 85 mph (136.79 km/h) | 81.69 mph (131.47 km/h) |
| 90 mph (144.84 km/h) | 86.5 mph (139.21 km/h) |
| 95 mph (152.89 km/h) | 91.3 mph (146.94 km/h) |
| 100 mph (160.93 km/h) | 96.11 mph (154.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2401 | 2507 | 2621 | 2703 | 2793 | 2899 | 3046 | 3193 | 3356 | 3487 | 3724 | 3985 | 4189 | 4320 | 4393 | 4663 | 5039 | 5855 |
Better Fuel Economy Factory Ratios Increased Power
