2007 Audi A4 vs. 2004 Opel Astra
To start off, 2007 Audi A4 is newer by 3 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 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 84 more horse power than 2004 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 273 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 89 more torque (in Nm) than 2004 Opel Astra. (241 Nm @ 1950 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2007 Audi A4 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1979 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 168 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 330 Nm | 241 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 8.9 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1698 kg | 1425 kg |
| Vehicle Length | 4580 mm | 4520 mm |
| Vehicle Width | 1400 mm | 1800 mm |
| Vehicle Height | 1780 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 11 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
