2007 Mercedes-Benz SLK vs. 2003 Opel Astra
To start off, 2007 Mercedes-Benz SLK is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra 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 2003 Opel Astra. (148 HP @ 5800 RPM). In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2003 Opel Astra.
Because 2007 Mercedes-Benz SLK is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 307 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2007 Mercedes-Benz SLK | 2003 Opel Astra | |
| Make | Mercedes-Benz | Opel |
| Model | SLK | Astra |
| Year Released | 2007 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 268 HP | 148 HP |
| Engine RPM | 5750 RPM | 5800 RPM |
| Torque | 510 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 92 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 208 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 10 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Height | 1280 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6.7 L/100km |
| Fuel Consumption Overall | 12 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
