2006 BMW 525 vs. 2009 Mercedes-Benz SLK
To start off, 2009 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 5,439 cc (8 cylinders), 2009 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 140 more horse power than 2006 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz SLK should accelerate faster than 2006 BMW 525.
Because 2006 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2006 BMW 525 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, 2009 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 260 more torque (in Nm) than 2006 BMW 525. (250 Nm @ 2750 RPM). This means 2009 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525. 2009 Mercedes-Benz SLK has automatic transmission and 2006 BMW 525 has manual transmission. 2006 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 525 | 2009 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | SLK |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 355 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 250 Nm | 510 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 78.9 mm | 97 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4110 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1290 mm |
| Wheelbase Size | 2840 mm | 2440 mm |
| Fuel Consumption Overall | 9.9 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
