2005 Mercedes-Benz CLK vs. 2003 Opel Vectra
To start off, 2005 Mercedes-Benz CLK is newer by 2 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 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 4000 RPM) has 12 more horse power than 2005 Mercedes-Benz CLK. (161 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 80 kg more than 2005 Mercedes-Benz CLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz CLK 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 2005 Mercedes-Benz CLK. 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 130 more torque (in Nm) than 2005 Mercedes-Benz CLK. (240 Nm @ 3500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz CLK.
Compare all specifications:
| 2005 Mercedes-Benz CLK | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | CLK | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 173 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 240 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 225 km/hour | 226 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1605 kg |
| Vehicle Length | 4640 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2740 mm |
| Fuel Consumption Overall | 8.5 L/100km | 7 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
