2005 Audi A8 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 3 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 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 667 kg more than 2008 Opel Astra.
Let's talk about torque, 2005 Audi A8 (430 Nm) has 255 more torque (in Nm) than 2008 Opel Astra. (175 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2005 Audi A8 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 0 HP |
| Torque | 430 Nm | 175 Nm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1278 kg |
| Vehicle Length | 5060 mm | 4300 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2950 mm | 2620 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6.2 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
