2006 Audi A8 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 4,179 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (335 HP @ 6500 RPM) has 160 more horse power than 2008 Opel Vectra. (175 HP @ 4000 RPM). In normal driving conditions, 2006 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 430 kg more than 2006 Audi A8.
Because 2006 Audi A8 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, 2006 Audi A8 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2008 Opel Vectra. (370 Nm @ 1900 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2006 Audi A8 | 2008 Opel Vectra | |
| Make | Audi | Opel |
| Model | A8 | Vectra |
| Year Released | 2006 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 175 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 430 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Compression Ratio | 9.3:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 204 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1705 kg |
| Vehicle Length | 5200 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 3080 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
