2009 Audi A8 vs. 2008 Opel Vectra
To start off, 2009 Audi A8 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 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 81 more horse power than 2008 Opel Vectra. (175 HP). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 810 kg more than 2009 Audi A8.
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, 2008 Opel Vectra (370 Nm @ 1900 RPM) has 40 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2008 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2008 Opel Vectra | |
| Make | Audi | Opel |
| Model | A8 | Vectra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 175 HP |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3250 RPM | 1900 RPM |
| Engine Compression Ratio | 13.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 1705 kg |
| Vehicle Length | 5060 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
