2008 BMW X5 vs. 2009 Mercedes-Benz SLK
To start off, 2009 Mercedes-Benz SLK 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 4,398 cc, 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (328 HP @ 6100 RPM) has 28 more horse power than 2009 Mercedes-Benz SLK. (300 HP @ 6500 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 2009 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 881 kg more than 2009 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW X5 (440 Nm @ 3700 RPM) has 81 more torque (in Nm) than 2009 Mercedes-Benz SLK. (359 Nm @ 4900 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz SLK.
Compare all specifications:
| 2008 BMW X5 | 2009 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SLK |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3498 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 300 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 440 Nm | 359 Nm |
| Torque RPM | 3700 RPM | 4900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2191 kg | 1310 kg |
| Vehicle Length | 4870 mm | 4110 mm |
| Vehicle Height | 1480 mm | 1300 mm |
| Wheelbase Size | 2830 mm | 2440 mm |
| Fuel Consumption Overall | 15.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
