2008 BMW X5 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 230 kg more than 2009 Mercedes-Benz SL.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2009 Mercedes-Benz SL (1,001 Nm @ 2000 RPM) has 521 more torque (in Nm) than 2008 BMW X5. (480 Nm @ 3700 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2009 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SL |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4619 cc | 5980 cc |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 0 HP | 604 HP |
| Torque | 480 Nm | 1001 Nm |
| Torque RPM | 3700 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 6.5 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1950 kg |
| Vehicle Width | 1880 mm | 1820 mm |
| Wheelbase Size | 2830 mm | 2570 mm |
| Fuel Consumption Overall | 14.9 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 93 L | 80 L |
