2009 Audi A4 vs. 2006 Opel Vectra
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2006 Opel Vectra would be higher. At 1,910 cc (4 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 10 more horse power than 2006 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 640 kg more than 2009 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 Opel Vectra (315 Nm @ 2000 RPM) has 65 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2006 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 | 2006 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 158 HP | 148 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 250 Nm | 315 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 82 mm |
| Engine Stroke Size | 84.1 mm | 90.4 mm |
| Engine Compression Ratio | 9.6:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 225 km/hour | 217 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 1535 kg |
| Vehicle Length | 4710 mm | 4600 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
| Fuel Consumption Overall | 7.1 L/100km | 6 L/100km |
| Fuel Tank Capacity | 65 L | 61 L |
