2006 BMW X5 vs. 2008 Mercedes-Benz SLK
To start off, 2008 Mercedes-Benz SLK is newer by 2 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 5,439 cc (8 cylinders), 2008 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 40 more horse power than 2006 BMW X5. (315 HP @ 5400 RPM) In normal driving conditions, 2008 Mercedes-Benz SLK should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 995 kg more than 2008 Mercedes-Benz SLK.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SLK. 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, 2008 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 71 more torque (in Nm) than 2006 BMW X5. (439 Nm @ 3600 RPM). This means 2008 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2008 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SLK |
| Year Released | 2006 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 5439 cc |
| Horse Power | 315 HP | 355 HP |
| Engine RPM | 5400 RPM | 5750 RPM |
| Torque | 439 Nm | 510 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2235 kg | 1240 kg |
| Vehicle Length | 4670 mm | 4090 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1760 mm | 1280 mm |
| Wheelbase Size | 2830 mm | 2440 mm |
| Fuel Consumption | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 92 L | 70 L |
