2009 Audi A4 vs. 2005 Opel Astra
To start off, 2009 Audi A4 is newer by 4 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 1,909 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5600 RPM) has 39 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 20 kg more than 2009 Audi A4. 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, both vehicles can yield 250 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2009 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1797 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 197 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 250 Nm | 250 Nm |
| Torque RPM | 1500 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 84.1 mm | 86 mm |
| Engine Compression Ratio | 9.6:1 | 8.8:1 |
| Top Speed | 218 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1490 kg |
| Vehicle Length | 4710 mm | 4270 mm |
| Vehicle Width | 1830 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2640 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 65 L | 52 L |
