2007 Audi A3 vs. 2003 Opel Vectra
To start off, 2007 Audi A3 is newer by 4 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 1,995 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (175 HP @ 5400 RPM) has 37 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 84 kg more than 2007 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, 2007 Audi A3 (320 Nm @ 1750 RPM) has 50 more torque (in Nm) than 2003 Opel Vectra. (270 Nm @ 2500 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2007 Audi A3 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 175 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 320 Nm | 270 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1416 kg | 1500 kg |
| Vehicle Length | 4290 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
