2008 Audi A8 vs. 2008 Opel Astra
To start off, both 2008 Audi A8 and 2008 Opel Astra were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 162 more horse power than 2008 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 470 kg more than 2008 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 2008 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 180 more torque (in Nm) than 2008 Opel Astra. (250 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra. 2008 Audi A8 has automatic transmission and 2008 Opel Astra has manual transmission. 2008 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 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2008 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 168 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 430 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 8.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 1385 kg |
| Vehicle Length | 5060 mm | 4260 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2620 mm |
| Fuel Consumption Overall | 11.9 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
