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. In terms of performance, 2008 Audi A4 (217 HP @ 6300 RPM) has 120 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 511 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.
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 158 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 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 | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 97 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 300 Nm | 142 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Top Speed | 241 km/hour | 193 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 11.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1675 kg | 1164 kg |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 11.1 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
