2002 Mercedes-Benz S vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2002 Mercedes-Benz S would be higher. At 4,266 cc (8 cylinders), 2002 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2002 Mercedes-Benz S (275 HP @ 5750 RPM) has 102 more horse power than 2003 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2002 Mercedes-Benz S should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mercedes-Benz S weights approximately 310 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 2002 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 2002 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, 2002 Mercedes-Benz S (401 Nm @ 3000 RPM) has 136 more torque (in Nm) than 2003 Opel Vectra. (265 Nm @ 2500 RPM). This means 2002 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2002 Mercedes-Benz S has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Mercedes-Benz S | 2003 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | S | Vectra |
| Year Released | 2002 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4266 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 275 HP | 173 HP |
| Engine RPM | 5750 RPM | 5500 RPM |
| Torque | 401 Nm | 265 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 89.9 mm | 86 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Top Speed | 250 km/hour | 222 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1895 kg | 1585 kg |
| Vehicle Length | 5170 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 3090 mm | 2710 mm |
| Fuel Tank Capacity | 88 L | 60 L |
