2009 Mercedes-Benz A vs. 2005 Opel Vectra
To start off, 2009 Mercedes-Benz A is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 1,991 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (148 HP @ 4000 RPM) has 67 more horse power than 2009 Mercedes-Benz A. (81 HP @ 4200 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 126 kg more than 2005 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, 2005 Opel Vectra (321 Nm @ 2000 RPM) has 141 more torque (in Nm) than 2009 Mercedes-Benz A. (180 Nm @ 1400 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A.
Compare all specifications:
| 2009 Mercedes-Benz A | 2005 Opel Vectra | |
| Make | Mercedes-Benz | Opel |
| Model | A | Vectra |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 81 HP | 148 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 180 Nm | 321 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 92 mm | 90.4 mm |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 170 km/hour | 217 km/hour |
| Acceleration 0-100mph | 15 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1326 kg | 1200 kg |
| Vehicle Length | 3840 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1600 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2640 mm |
| Fuel Consumption Overall | 4.9 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 54 L | 61 L |
