2008 Audi A4 vs. 2005 Opel Astra
To start off, 2008 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,975 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 305 kg more than 2005 Opel Astra.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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 A4 (300 Nm @ 3200 RPM) has 133 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2008 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 0 HP | 123 HP |
| Torque | 300 Nm | 167 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 243 km/hour | 200 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 10 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1505 kg | 1200 kg |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Tank Capacity | 66 L | 52 L |
