2008 BMW X5 vs. 2005 Mercedes-Benz SLK
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 3,491 cc (6 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (269 HP @ 4200 RPM) has 9 more horse power than 2008 BMW X5. (260 HP @ 6600 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 145 kg more than 2005 Mercedes-Benz SLK.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SLK. 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, 2005 Mercedes-Benz SLK (350 Nm) has 45 more torque (in Nm) than 2008 BMW X5. (305 Nm). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2005 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SLK |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 3491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 269 HP |
| Engine RPM | 6600 RPM | 4200 RPM |
| Torque | 305 Nm | 350 Nm |
| Engine Compression Ratio | 10.7:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1405 kg |
| Vehicle Length | 4860 mm | 4090 mm |
| Vehicle Width | 1940 mm | 1790 mm |
| Vehicle Height | 1770 mm | 1300 mm |
| Wheelbase Size | 2940 mm | 2440 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
