2005 Audi A4 vs. 2004 Opel Astra
To start off, 2005 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (129 HP @ 3300 RPM) has 6 more horse power than 2004 Opel Astra. (123 HP @ 3250 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 140 kg more than 2005 Audi A4.
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, 2004 Opel Astra (281 Nm @ 1750 RPM) has 86 more torque (in Nm) than 2005 Audi A4. (195 Nm @ 3300 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 129 HP | 123 HP |
| Engine RPM | 3300 RPM | 3250 RPM |
| Torque | 195 Nm | 281 Nm |
| Torque RPM | 3300 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 90.4 mm |
| Top Speed | 212 km/hour | 190 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1450 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2580 mm | 2710 mm |
| Fuel Consumption Overall | 8.1 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
