2008 Audi A8 vs. 2005 Opel Astra
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,171 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 246 more horse power than 2005 Opel Astra. (84 HP @ 5400 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 649 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (430 Nm @ 3500 RPM) has 292 more torque (in Nm) than 2005 Opel Astra. (138 Nm @ 2600 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
2008 Audi A8 | 2005 Opel Astra | |
Make | Audi | Opel |
Model | A8 | Astra |
Year Released | 2008 | 2005 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4171 cc | 1598 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 2 valves |
Horse Power | 330 HP | 84 HP |
Engine RPM | 6500 RPM | 5400 RPM |
Torque | 430 Nm | 138 Nm |
Torque RPM | 3500 RPM | 2600 RPM |
Engine Bore Size | 84.5 mm | 79 mm |
Engine Stroke Size | 93 mm | 81.5 mm |
Engine Compression Ratio | 11.0:1 | 9.6:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 250 km/hour | 177 km/hour |
Acceleration 0-100mph | 6.3 seconds | 13.5 seconds |
Drive Type | 4WD | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1855 kg | 1206 kg |
Vehicle Length | 5060 mm | 4290 mm |
Vehicle Width | 1900 mm | 1720 mm |
Vehicle Height | 1450 mm | 1470 mm |
Wheelbase Size | 2950 mm | 2620 mm |
Fuel Consumption Overall | 11.9 L/100km | 7.9 L/100km |
Fuel Tank Capacity | 90 L | 52 L |