2008 Audi A8 vs. 2003 Opel Astra
To start off, 2008 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,934 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 97 more horse power than 2003 Opel Astra. (174 HP @ 5200 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 530 kg more than 2003 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 2003 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 (650 Nm @ 1800 RPM) has 399 more torque (in Nm) than 2003 Opel Astra. (251 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2008 Audi A8 has automatic transmission and 2003 Opel Astra has manual transmission. 2003 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 | 2003 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 174 HP |
| Engine RPM | 3750 RPM | 5200 RPM |
| Torque | 650 Nm | 251 Nm |
| Torque RPM | 1800 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 8.9 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 | 1940 kg | 1410 kg |
| Vehicle Length | 5060 mm | 4260 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2740 mm |
| Fuel Consumption Overall | 9.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
