2005 Mercedes-Benz S vs. 2003 Opel Vectra
To start off, 2005 Mercedes-Benz S 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 5,506 cc (12 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP @ 4200 RPM) has 394 more horse power than 2003 Opel Vectra. (99 HP @ 4400 RPM). In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 596 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 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, 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, 2005 Mercedes-Benz S (801 Nm) has 580 more torque (in Nm) than 2003 Opel Vectra. (221 Nm). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Mercedes-Benz S | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | S | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5506 cc | 1998 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 493 HP | 99 HP |
| Engine RPM | 4200 RPM | 4400 RPM |
| Torque | 801 Nm | 221 Nm |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 87 mm | 90 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2091 kg | 1495 kg |
| Vehicle Length | 5170 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 3210 mm | 2640 mm |
| Fuel Consumption Highway | 12.4 L/100km | 4.8 L/100km |
| Fuel Consumption City | 19.6 L/100km | 7.9 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 88 L | 60 L |
