2008 Mercedes-Benz SLK vs. 2005 Opel Vectra
To start off, 2008 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,175 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP @ 6200 RPM) has 47 more horse power than 2008 Mercedes-Benz SLK. (161 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2008 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SLK weights approximately 190 kg more than 2005 Opel Vectra.
Because 2008 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 2008 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Vectra (300 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2008 Mercedes-Benz SLK. (240 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz SLK. 2005 Opel Vectra has automatic transmission and 2008 Mercedes-Benz SLK has manual transmission. 2008 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Mercedes-Benz SLK | 2005 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | SLK | Vectra |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 240 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 87.5 mm |
| Engine Stroke Size | 85 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.9 seconds | 7.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1390 kg | 1200 kg |
| Vehicle Length | 4090 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2500 mm |
| Fuel Consumption Overall | 8.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
