2005 Audi A3 vs. 2003 Opel Vectra
To start off, 2005 Audi A3 is newer by 2 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 1,983 cc (4 cylinders), 2005 Audi A3 is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (148 HP @ 6000 RPM) has 28 more horse power than 2003 Opel Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A3 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 155 kg more than 2005 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 Audi A3 (200 Nm @ 3500 RPM) has 33 more torque (in Nm) than 2003 Opel Vectra. (167 Nm @ 3800 RPM). This means 2005 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Audi A3 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 200 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1315 kg | 1470 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
