2003 Opel Vectra vs. 2011 Mercedes-Benz A
To start off, 2011 Mercedes-Benz A is newer by 8 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 1,991 cc (4 cylinders), 2011 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (120 HP @ 5800 RPM) has 12 more horse power than 2011 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2011 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz A weights approximately 1340 kg more than 2003 Opel Vectra.
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, 2011 Mercedes-Benz A (250 Nm @ 1600 RPM) has 80 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2011 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2011 Mercedes-Benz A | |
| Make | Opel | Mercedes-Benz |
| Model | Vectra | A |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 108 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 170 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Top Speed | 199 km/hour | 181 km/hour |
| Acceleration 0-100mph | 12.1 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 2830 kg |
| Vehicle Length | 4500 mm | 3840 mm |
| Vehicle Width | 1710 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1600 mm |
| Wheelbase Size | 2640 mm | 2570 mm |
| Fuel Consumption Overall | 7.9 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
