2004 Audi A3 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 A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 1,997 cc, 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (123 HP @ 5800 RPM) has 22 more horse power than 2004 Audi A3. (101 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A3 weights approximately 22 kg more than 2005 Opel Astra.
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, 2005 Opel Astra (180 Nm @ 4400 RPM) has 32 more torque (in Nm) than 2004 Audi A3. (148 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A3.
Compare all specifications:
| 2004 Audi A3 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 1997 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 123 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 148 Nm | 180 Nm |
| Torque RPM | 3800 RPM | 4400 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 77.4 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Top Speed | 185 km/hour | 201 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 9.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1205 kg | 1183 kg |
| Wheelbase Size | 2760 mm | 2500 mm |
| Fuel Consumption Overall | 7 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
