Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/50-15 | 275/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.4 (696) | 25.83 (656) | -1.57 (-40) -5.7% |
| Width inches (mm) | 12.4 (315) | 10.83 (275) | -1.57 (-40) -12.7% |
| Circum. inches (mm) | 86.08 (2186.55) | 81.14 (2060.88) | -4.95 (-125.66) -5.7% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 5.41 (137.5) | -0.79 (-20) -12.7% |
| Revolutions per mile (km) | 736.02 (457.34) | 780.9 (485.23) | 44.88 (27.89) 6.1% |
275/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.85 mph (30.34 km/h) |
| 25 mph (40.23 km/h) | 23.56 mph (37.92 km/h) |
| 30 mph (48.28 km/h) | 28.28 mph (45.51 km/h) |
| 35 mph (56.33 km/h) | 32.99 mph (53.09 km/h) |
| 40 mph (64.37 km/h) | 37.7 mph (60.67 km/h) |
| 45 mph (72.42 km/h) | 42.41 mph (68.26 km/h) |
| 50 mph (80.47 km/h) | 47.13 mph (75.84 km/h) |
| 55 mph (88.51 km/h) | 51.84 mph (83.43 km/h) |
| 60 mph (96.56 km/h) | 56.55 mph (91.01 km/h) |
| 65 mph (104.61 km/h) | 61.26 mph (98.6 km/h) |
| 70 mph (112.65 km/h) | 65.98 mph (106.18 km/h) |
| 75 mph (120.7 km/h) | 70.69 mph (113.76 km/h) |
| 80 mph (128.75 km/h) | 75.4 mph (121.35 km/h) |
| 85 mph (136.79 km/h) | 80.11 mph (128.93 km/h) |
| 90 mph (144.84 km/h) | 84.83 mph (136.52 km/h) |
| 95 mph (152.89 km/h) | 89.54 mph (144.1 km/h) |
| 100 mph (160.93 km/h) | 94.25 mph (151.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | 2309 | 2486 | 2596 | 2714 | 2799 | 2892 | 3002 | 3154 | 3306 | 3476 | 3611 | 3856 | 4127 | 4338 | 4473 | 4550 | 4829 | 5218 | 6063 |
Better Fuel Economy Factory Ratios Increased Power
