Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/50-17 | 275/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.04 (686.8) | 27.83 (706.8) | 0.79 (20) 2.9% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 84.95 (2157.65) | 87.42 (2220.48) | 2.47 (62.83) 2.9% |
| Sidewall Height inches (mm) | 5.02 (127.5) | 5.41 (137.5) | 0.39 (10) 7.8% |
| Revolutions per mile (km) | 745.88 (463.47) | 724.77 (450.35) | -21.11 (-13.11) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.12 km/h) |
| 25 mph (40.23 km/h) | 25.73 mph (41.41 km/h) |
| 30 mph (48.28 km/h) | 30.87 mph (49.69 km/h) |
| 35 mph (56.33 km/h) | 36.02 mph (57.97 km/h) |
| 40 mph (64.37 km/h) | 41.16 mph (66.25 km/h) |
| 45 mph (72.42 km/h) | 46.31 mph (74.53 km/h) |
| 50 mph (80.47 km/h) | 51.46 mph (82.81 km/h) |
| 55 mph (88.51 km/h) | 56.6 mph (91.09 km/h) |
| 60 mph (96.56 km/h) | 61.75 mph (99.37 km/h) |
| 65 mph (104.61 km/h) | 66.89 mph (107.65 km/h) |
| 70 mph (112.65 km/h) | 72.04 mph (115.93 km/h) |
| 75 mph (120.7 km/h) | 77.18 mph (124.22 km/h) |
| 80 mph (128.75 km/h) | 82.33 mph (132.5 km/h) |
| 85 mph (136.79 km/h) | 87.48 mph (140.78 km/h) |
| 90 mph (144.84 km/h) | 92.62 mph (149.06 km/h) |
| 95 mph (152.89 km/h) | 97.77 mph (157.34 km/h) |
| 100 mph (160.93 km/h) | 102.91 mph (165.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1844 | 2143 | 2307 | 2410 | 2519 | 2598 | 2684 | 2786 | 2928 | 3069 | 3226 | 3351 | 3579 | 3830 | 4026 | 4152 | 4223 | 4482 | 4843 | 5627 |
Better Fuel Economy Factory Ratios Increased Power
