2004 Audi A4 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,983 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (220 HP @ 6300 RPM) has 22 more horse power than 2005 Opel Astra. (198 HP @ 5600 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 60 kg more than 2004 Audi A4.
Because 2004 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, 2004 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, 2004 Audi A4 (300 Nm @ 3200 RPM) has 50 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2004 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 198 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 300 Nm | 250 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 10.1:1 | 8.8:1 |
| Top Speed | 243 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 7.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1710 kg | 1770 kg |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 10.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
