2006 Audi A4 vs. 2005 Opel Vectra
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,130 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (255 HP @ 6500 RPM) has 80 more horse power than 2005 Opel Vectra. (175 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 338 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, 2005 Opel Vectra (370 Nm @ 1900 RPM) has 40 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2006 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 175 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3250 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 87.6 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1613 kg |
| Vehicle Length | 4590 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 10.8 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
