2005 Audi A8 vs. 2001 Opel Astra
To start off, 2005 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 3,936 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 3750 RPM) has 129 more horse power than 2001 Opel Astra. (142 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 590 kg more than 2001 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 447 more torque (in Nm) than 2001 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra. 2005 Audi A8 has automatic transmission and 2001 Opel Astra has manual transmission. 2001 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2001 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 142 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 650 Nm | 203 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1180 kg |
| Vehicle Length | 5190 mm | 4260 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2610 mm |
| Fuel Tank Capacity | 90 L | 52 L |
