2006 BMW Z4 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 1 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), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (268 HP @ 5750 RPM) has 120 more horse power than 2006 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2006 BMW Z4.
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, 2007 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 310 more torque (in Nm) than 2006 BMW Z4. (200 Nm @ 3600 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2007 Mercedes-Benz SLK has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2007 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | SLK |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 148 HP | 268 HP |
| Engine RPM | 6200 RPM | 5750 RPM |
| Torque | 200 Nm | 510 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Height | 1310 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2440 mm |
| Fuel Consumption | 5.6 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 12 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
