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 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (239 HP @ 5600 RPM) has 38 more horse power than 2004 Audi A4. (201 HP @ 3500 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 337 kg more than 2009 Opel Astra.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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 Audi A4 (451 Nm @ 1400 RPM) has 131 more torque (in Nm) than 2009 Opel Astra. (320 Nm @ 2400 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra. 2004 Audi A4 has automatic transmission and 2009 Opel Astra has manual transmission. 2009 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2009 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 239 HP |
| Engine RPM | 3500 RPM | 5600 RPM |
| Torque | 451 Nm | 320 Nm |
| Torque RPM | 1400 RPM | 2400 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 233 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 6.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1730 kg | 1393 kg |
| Vehicle Length | 4590 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
| Fuel Consumption Overall | 8.2 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
