2009 Audi A3 vs. 2007 Opel Vectra
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2007 Opel Vectra would be higher. At 1,984 cc (4 cylinders), 2009 Audi A3 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (148 HP @ 6000 RPM) has 44 more horse power than 2007 Opel Vectra. (104 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A3 weights approximately 40 kg more than 2007 Opel Vectra. 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, 2009 Audi A3 (200 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 Opel Vectra. (150 Nm @ 3900 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2009 Audi A3 | 2007 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 104 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 200 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 3900 RPM |
| Engine Bore Size | 82.6 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 81.5 mm |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.1 seconds | 12.5 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 | 1350 kg | 1310 kg |
| Vehicle Length | 4220 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Consumption Overall | 6.9 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
