Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-15 | 28/10-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.83 (656) | 28 (711.2) | 2.17 (55.2) 8.4% |
| Width inches (mm) | 10.83 (275) | 10 (254) | -0.83 (-21) -7.6% |
| Circum. inches (mm) | 81.14 (2060.88) | 87.96 (2234.3) | 6.83 (173.42) 8.4% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 6.5 (165.1) | 1.09 (27.6) 20.1% |
| Revolutions per mile (km) | 780.9 (485.23) | 720.29 (447.57) | -60.61 (-37.66) -7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.68 mph (34.9 km/h) |
| 25 mph (40.23 km/h) | 27.1 mph (43.62 km/h) |
| 30 mph (48.28 km/h) | 32.52 mph (52.34 km/h) |
| 35 mph (56.33 km/h) | 37.95 mph (61.07 km/h) |
| 40 mph (64.37 km/h) | 43.37 mph (69.79 km/h) |
| 45 mph (72.42 km/h) | 48.79 mph (78.51 km/h) |
| 50 mph (80.47 km/h) | 54.21 mph (87.24 km/h) |
| 55 mph (88.51 km/h) | 59.63 mph (95.96 km/h) |
| 60 mph (96.56 km/h) | 65.05 mph (104.69 km/h) |
| 65 mph (104.61 km/h) | 70.47 mph (113.41 km/h) |
| 70 mph (112.65 km/h) | 75.89 mph (122.13 km/h) |
| 75 mph (120.7 km/h) | 81.31 mph (130.86 km/h) |
| 80 mph (128.75 km/h) | 86.73 mph (139.58 km/h) |
| 85 mph (136.79 km/h) | 92.15 mph (148.31 km/h) |
| 90 mph (144.84 km/h) | 97.57 mph (157.03 km/h) |
| 95 mph (152.89 km/h) | 102.99 mph (165.75 km/h) |
| 100 mph (160.93 km/h) | 108.41 mph (174.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1833 | 2129 | 2293 | 2395 | 2504 | 2582 | 2668 | 2769 | 2909 | 3050 | 3206 | 3331 | 3557 | 3806 | 4001 | 4126 | 4196 | 4454 | 4813 | 5593 |
Better Fuel Economy Factory Ratios Increased Power
