2006 Audi A4 vs. 2003 Opel Vectra
To start off, 2006 Audi A4 is newer by 3 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 2,171 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (217 HP @ 5900 RPM) has 94 more horse power than 2003 Opel Vectra. (123 HP @ 3250 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 178 kg more than 2006 Audi A4.
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, 2006 Audi A4 (300 Nm @ 2200 RPM) has 20 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 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:
| 2006 Audi A4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 123 HP |
| Engine RPM | 5900 RPM | 3250 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 2200 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 98 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Top Speed | 247 km/hour | 199 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1455 kg | 1633 kg |
| Vehicle Length | 4610 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 8.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
