2009 Audi A3 vs. 2005 Opel Vectra
To start off, 2009 Audi A3 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 2,958 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (197 HP @ 5100 RPM) has 22 more horse power than 2005 Opel Vectra. (175 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 185 kg more than 2009 Audi A3.
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 (370 Nm @ 1900 RPM) has 90 more torque (in Nm) than 2009 Audi A3. (280 Nm @ 1800 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 175 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 280 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 1900 RPM |
| Engine Bore Size | 82.6 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 6.9 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1630 kg |
| Vehicle Length | 4220 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2610 mm |
| Fuel Consumption Overall | 7.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
