2009 BMW X6 vs. 2007 Mercedes-Benz SL
To start off, 2009 BMW X6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (493 HP @ 5000 RPM) has 211 more horse power than 2009 BMW X6. (282 HP @ 4400 RPM) In normal driving conditions, 2007 Mercedes-Benz SL should accelerate faster than 2009 BMW X6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 229 kg more than 2007 Mercedes-Benz SL.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 220 more torque (in Nm) than 2009 BMW X6. (580 Nm @ 1750 RPM). This means 2007 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X6.
Compare all specifications:
| 2009 BMW X6 | 2007 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X6 | SL |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 282 HP | 493 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 580 Nm | 800 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 90 mm | 87 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2185 kg | 1956 kg |
| Vehicle Length | 4880 mm | 4540 mm |
| Vehicle Height | 1700 mm | 1830 mm |
| Wheelbase Size | 2940 mm | 2570 mm |
| Fuel Consumption Overall | 8.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 85 L | 90 L |
