2007 Mercedes-Benz SLK vs. 2003 Opel Vectra
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 Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 1,998 cc (4 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (161 HP @ 5300 RPM) has 41 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM). In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 125 kg more than 2007 Mercedes-Benz SLK.
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 Vectra, 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 (230 Nm @ 2500 RPM) has 60 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2007 Mercedes-Benz SLK | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | SLK | Vectra |
| Year Released | 2007 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 120 HP |
| Engine RPM | 5300 RPM | 5800 RPM |
| Torque | 230 Nm | 170 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Engine Bore Size | 90 mm | 80.5 mm |
| Engine Stroke Size | 78.7 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Acceleration 0-100mph | 7.9 seconds | 12.1 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1490 kg |
| Vehicle Length | 4090 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2410 mm | 2640 mm |
| Fuel Consumption Overall | 8.7 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
