2007 Audi A8 vs. 2006 Opel Astra
To start off, 2007 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 4,170 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (329 HP @ 6500 RPM) has 225 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 465 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A8 (430 Nm @ 3500 RPM) has 280 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2007 Audi A8 has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 104 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 430 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 3900 RPM |
| Engine Bore Size | 84.5 mm | 79 mm |
| Engine Stroke Size | 93 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 12.7 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 | 1780 kg | 1315 kg |
| Vehicle Length | 5060 mm | 4520 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Consumption Overall | 8.8 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
