2006 BMW Z4 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 Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,498 cc (6 cylinders), 2009 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLK (300 HP @ 6500 RPM) has 72 more horse power than 2006 BMW Z4. (228 HP @ 5900 RPM) In normal driving conditions, 2009 Mercedes-Benz SLK should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 55 kg more than 2009 Mercedes-Benz SLK.
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, 2009 Mercedes-Benz SLK (359 Nm @ 4900 RPM) has 58 more torque (in Nm) than 2006 BMW Z4. (301 Nm @ 3500 RPM). This means 2009 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2009 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | SLK |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 228 HP | 300 HP |
| Engine RPM | 5900 RPM | 6500 RPM |
| Torque | 301 Nm | 359 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1365 kg | 1310 kg |
| Vehicle Length | 4100 mm | 4110 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1300 mm |
| Wheelbase Size | 2500 mm | 2440 mm |
| Fuel Consumption | 7.8 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
