2001 Audi A8 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A8. In addition, the cost of maintenance, including insurance, on 2001 Audi A8 would be higher. At 3,695 cc (8 cylinders), 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (256 HP @ 6000 RPM) has 58 more horse power than 2005 Opel Astra. (198 HP @ 5600 RPM). In normal driving conditions, 2001 Audi A8 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 60 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2001 Audi A8 (350 Nm @ 3250 RPM) has 100 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2001 Audi A8 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Audi A8 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3695 cc | 1979 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 198 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 350 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 82.4 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1830 kg | 1770 kg |
| Wheelbase Size | 2410 mm | 2840 mm |
| Fuel Consumption Overall | 13 L/100km | 9 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
