2004 Audi A4 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 5 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 2,496 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (197 HP @ 5400 RPM) has 29 more horse power than 2004 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 114 kg more than 2009 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, 2009 Opel Astra (262 Nm @ 4200 RPM) has 32 more torque (in Nm) than 2004 Audi A4. (230 Nm @ 3200 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 197 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 230 Nm | 262 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.1 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1386 kg |
| Vehicle Length | 4550 mm | 4480 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
| Fuel Consumption Overall | 9.6 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
