2008 Audi A8 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (445 HP @ 6200 RPM) has 248 more horse power than 2009 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2009 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 370 kg more than 2009 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 2009 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 (580 Nm @ 4000 RPM) has 318 more torque (in Nm) than 2009 Opel Astra. (262 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra. 2008 Audi A8 has automatic transmission and 2009 Opel Astra has manual transmission. 2009 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2009 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2008 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1998 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 197 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 580 Nm | 262 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 234 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 7.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 1625 kg |
| Vehicle Length | 5190 mm | 4300 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 3080 mm | 2620 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
