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 1,794 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (120 HP @ 5400 RPM) has 19 more horse power than 2005 Audi A3. (101 HP @ 6500 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 245 kg more than 2005 Audi A3. 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, 2003 Opel Vectra (167 Nm @ 3800 RPM) has 19 more torque (in Nm) than 2005 Audi A3. (148 Nm @ 3800 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3. 2003 Opel Vectra has automatic transmission and 2005 Audi A3 has manual transmission. 2005 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
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 | 1596 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 120 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 148 Nm | 167 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 77.4 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1225 kg | 1470 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
