Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-15 | 255/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.83 (656) | 25.04 (636) | -0.79 (-20) -3% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 81.14 (2060.88) | 78.66 (1998.05) | -2.47 (-62.83) -3% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.02 (127.5) | -0.39 (-10) -7.3% |
| Revolutions per mile (km) | 780.9 (485.23) | 805.46 (500.49) | 24.56 (15.26) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.61 km/h) |
| 40 mph (64.37 km/h) | 38.78 mph (62.41 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.21 km/h) |
| 50 mph (80.47 km/h) | 48.48 mph (78.01 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.82 km/h) |
| 60 mph (96.56 km/h) | 58.17 mph (93.62 km/h) |
| 65 mph (104.61 km/h) | 63.02 mph (101.42 km/h) |
| 70 mph (112.65 km/h) | 67.87 mph (109.22 km/h) |
| 75 mph (120.7 km/h) | 72.71 mph (117.02 km/h) |
| 80 mph (128.75 km/h) | 77.56 mph (124.82 km/h) |
| 85 mph (136.79 km/h) | 82.41 mph (132.62 km/h) |
| 90 mph (144.84 km/h) | 87.26 mph (140.43 km/h) |
| 95 mph (152.89 km/h) | 92.1 mph (148.23 km/h) |
| 100 mph (160.93 km/h) | 96.95 mph (156.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2050 | 2381 | 2564 | 2678 | 2800 | 2887 | 2983 | 3096 | 3253 | 3410 | 3585 | 3724 | 3977 | 4256 | 4475 | 4614 | 4693 | 4980 | 5382 | 6254 |
Better Fuel Economy Factory Ratios Increased Power
