2009 Audi A4 vs. 2008 Opel Vectra
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2008 Opel Vectra would be higher. At 2,792 cc (6 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (276 HP @ 5500 RPM) has 58 more horse power than 2009 Audi A4. (218 HP @ 5900 RPM) In normal driving conditions, 2008 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 15 kg more than 2008 Opel Vectra.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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, 2008 Opel Vectra (355 Nm @ 1800 RPM) has 55 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 2200 RPM). This means 2008 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 | 2008 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 218 HP | 276 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 300 Nm | 355 Nm |
| Torque RPM | 2200 RPM | 1800 RPM |
| Engine Bore Size | 82.5 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 74.8 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 6.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1595 kg | 1580 kg |
| Vehicle Length | 4610 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 9 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
