2006 BMW X5 vs. 2011 Mercedes-Benz SL
To start off, 2011 Mercedes-Benz SL is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 6,200 cc (8 cylinders), 2011 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SL (518 HP @ 6800 RPM) has 236 more horse power than 2006 BMW X5. (282 HP @ 3600 RPM) In normal driving conditions, 2011 Mercedes-Benz SL should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 256 kg more than 2011 Mercedes-Benz SL.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2006 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, 2011 Mercedes-Benz SL (630 Nm @ 5200 RPM) has 189 more torque (in Nm) than 2006 BMW X5. (441 Nm @ 3600 RPM). This means 2011 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2011 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SL |
| Year Released | 2006 | 2011 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 6200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 518 HP |
| Engine RPM | 3600 RPM | 6800 RPM |
| Torque | 441 Nm | 630 Nm |
| Torque RPM | 3600 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2195 kg | 1939 kg |
| Vehicle Length | 4670 mm | 4592 mm |
| Vehicle Width | 1880 mm | 1816 mm |
| Vehicle Height | 1710 mm | 1298 mm |
| Wheelbase Size | 2830 mm | 2560 mm |
| Fuel Tank Capacity | 93 L | 80 L |
