2006 Mercedes-Benz SLK vs. 2003 Opel Vectra
To start off, 2006 Mercedes-Benz SLK is newer by 3 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 2,999 cc (6 cylinders), 2006 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 55 more horse power than 2003 Opel Vectra. (173 HP @ 4000 RPM). In normal driving conditions, 2006 Mercedes-Benz SLK should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLK weights approximately 93 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 70 more torque (in Nm) than 2006 Mercedes-Benz SLK. (300 Nm @ 2700 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz SLK.
Compare all specifications:
| 2006 Mercedes-Benz SLK | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | SLK | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 228 HP | 173 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 2700 RPM | 1900 RPM |
| Top Speed | 250 km/hour | 226 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1698 kg | 1605 kg |
| Vehicle Length | 4090 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
| Fuel Consumption Overall | 10.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
