2005 Audi A8 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 2,976 cc (6 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (217 HP @ 6300 RPM) has 44 more horse power than 2006 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 185 kg more than 2006 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Audi A8 (300 Nm @ 8200 RPM) has 35 more torque (in Nm) than 2006 Opel Vectra. (265 Nm @ 2500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra.
Compare all specifications:
| 2005 Audi A8 | 2006 Opel Vectra | |
| Make | Audi | Opel |
| Model | A8 | Vectra |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 265 Nm |
| Torque RPM | 8200 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 86.1 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.9 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1485 kg |
| Vehicle Length | 5060 mm | 4600 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
