2005 BMW X5 vs. 2008 Mercedes-Benz SLK
To start off, 2008 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 3,199 cc (6 cylinders), 2008 Mercedes-Benz SLK is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 765 kg more than 2008 Mercedes-Benz SLK.
Because 2005 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, 2005 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 BMW X5 (520 Nm @ 2000 RPM) has 210 more torque (in Nm) than 2008 Mercedes-Benz SLK. (310 Nm @ 3000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz SLK. 2008 Mercedes-Benz SLK has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2008 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SLK |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 0 HP |
| Torque | 520 Nm | 310 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.3 seconds | 6.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1405 kg |
| Vehicle Length | 4670 mm | 4630 mm |
| Vehicle Height | 1720 mm | 1400 mm |
| Wheelbase Size | 2830 mm | 2410 mm |
| Fuel Consumption Overall | 8.6 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 93 L | 60 L |
