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 3,196 cc (6 cylinders), 2005 Audi A3 is equipped with a bigger engine. In terms of performance, 2005 Audi A3 (247 HP @ 6300 RPM) has 122 more horse power than 2003 Opel Vectra. (125 HP @ 4000 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 35 kg more than 2005 Audi A3.
Because 2005 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 Audi A3 will offer significantly more control. 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 (330 Nm @ 2800 RPM) has 50 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 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 | 3196 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 125 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 95.9 mm | 98 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1525 kg | 1560 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
