Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-15 | 275/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.83 (656) | 26.91 (683.5) | 1.08 (27.5) 4.2% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 81.14 (2060.88) | 84.54 (2147.28) | 3.4 (86.39) 4.2% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.95 (151.25) | 0.54 (13.75) 10% |
| Revolutions per mile (km) | 780.9 (485.23) | 749.48 (465.7) | -31.42 (-19.52) -4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.54 km/h) |
| 25 mph (40.23 km/h) | 26.05 mph (41.92 km/h) |
| 30 mph (48.28 km/h) | 31.26 mph (50.3 km/h) |
| 35 mph (56.33 km/h) | 36.47 mph (58.69 km/h) |
| 40 mph (64.37 km/h) | 41.68 mph (67.07 km/h) |
| 45 mph (72.42 km/h) | 46.89 mph (75.46 km/h) |
| 50 mph (80.47 km/h) | 52.1 mph (83.84 km/h) |
| 55 mph (88.51 km/h) | 57.31 mph (92.22 km/h) |
| 60 mph (96.56 km/h) | 62.52 mph (100.61 km/h) |
| 65 mph (104.61 km/h) | 67.72 mph (108.99 km/h) |
| 70 mph (112.65 km/h) | 72.93 mph (117.38 km/h) |
| 75 mph (120.7 km/h) | 78.14 mph (125.76 km/h) |
| 80 mph (128.75 km/h) | 83.35 mph (134.14 km/h) |
| 85 mph (136.79 km/h) | 88.56 mph (142.53 km/h) |
| 90 mph (144.84 km/h) | 93.77 mph (150.91 km/h) |
| 95 mph (152.89 km/h) | 98.98 mph (159.3 km/h) |
| 100 mph (160.93 km/h) | 104.19 mph (167.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1907 | 2216 | 2386 | 2492 | 2605 | 2686 | 2776 | 2881 | 3027 | 3173 | 3336 | 3466 | 3701 | 3961 | 4164 | 4293 | 4366 | 4634 | 5008 | 5819 |
Better Fuel Economy Factory Ratios Increased Power
