2006 Audi A4 vs. 2004 Opel Astra
To start off, 2006 Audi A4 is newer by 2 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, 2006 Audi A4 (187 HP @ 5700 RPM) has 64 more horse power than 2004 Opel Astra. (123 HP @ 3250 RPM). In normal driving conditions, 2006 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 55 kg more than 2006 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 41 more torque (in Nm) than 2006 Audi A4. (240 Nm @ 1950 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 187 HP | 123 HP |
| Engine RPM | 5700 RPM | 3250 RPM |
| Torque | 240 Nm | 281 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 90.4 mm |
| Top Speed | 228 km/hour | 190 km/hour |
| Acceleration 0-100mph | 8.6 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 | 1395 kg | 1450 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Highway | 8 L/100km | 5 L/100km |
| Fuel Consumption City | 11.4 L/100km | 7.5 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
