2005 Mercedes-Benz S vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 4,261 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (275 HP @ 4200 RPM) has 122 more horse power than 2006 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 337 kg more than 2006 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz S 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 S. However, in wet, icy, snow, or gravel driving conditions, 2006 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 Mercedes-Benz S (415 Nm) has 195 more torque (in Nm) than 2006 Opel Vectra. (220 Nm). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra.
Compare all specifications:
| 2005 Mercedes-Benz S | 2006 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | S | Vectra |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4261 cc | 2197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 275 HP | 153 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 415 Nm | 220 Nm |
| Engine Bore Size | 90 mm | 86 mm |
| Engine Stroke Size | 84 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1887 kg | 1550 kg |
| Vehicle Length | 5170 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 3090 mm | 2840 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 88 L | 60 L |
