2009 Audi A4 vs. 2004 Opel Vectra
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 1,968 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (148 HP @ 4000 RPM) has 7 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 35 kg more than 2004 Opel Vectra.
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, 2004 Opel Vectra (321 Nm @ 2000 RPM) has 1 more torque (in Nm) than 2009 Audi A4. (320 Nm @ 1750 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2009 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 141 HP | 148 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 320 Nm | 321 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 16.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1520 kg | 1485 kg |
| Vehicle Length | 4710 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
