2003 Mercedes-Benz S vs. 2002 Opel Vectra
To start off, 2003 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2002 Opel Vectra would be higher. At 4,266 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz S (276 HP @ 5750 RPM) has 68 more horse power than 2002 Opel Vectra. (208 HP @ 6000 RPM). In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 475 kg more than 2002 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2003 Mercedes-Benz S will offer significantly more control. 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 Mercedes-Benz S (400 Nm @ 3000 RPM) has 100 more torque (in Nm) than 2002 Opel Vectra. (300 Nm @ 3800 RPM). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 2003 Mercedes-Benz S | 2002 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | S | Vectra |
| Year Released | 2003 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 4266 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 276 HP | 208 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 400 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 241 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 8 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1480 kg |
| Vehicle Length | 5050 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2840 mm |
| Fuel Consumption Overall | 12.5 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 88 L | 52 L |
