2003 Mercedes-Benz A vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz A would be higher. At 2,957 cc (6 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (175 HP @ 4000 RPM) has 95 more horse power than 2003 Mercedes-Benz A. (80 HP @ 5000 RPM) In normal driving conditions, 2006 Opel Vectra should accelerate faster than 2003 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 593 kg more than 2003 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Opel Vectra (370 Nm @ 1900 RPM) has 240 more torque (in Nm) than 2003 Mercedes-Benz A. (130 Nm @ 3750 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz A.
Compare all specifications:
| 2003 Mercedes-Benz A | 2006 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | A | Vectra |
| Year Released | 2003 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1397 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 80 HP | 175 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 130 Nm | 370 Nm |
| Torque RPM | 3750 RPM | 1900 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 69.5 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1020 kg | 1613 kg |
| Vehicle Length | 3790 mm | 4600 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1590 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Tank Capacity | 54 L | 61 L |
