2005 Opel Astra vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,995 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 231 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 540 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (440 Nm @ 2900 RPM) has 298 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2009 Audi A4 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2009 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2995 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 97 HP | 328 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 142 Nm | 440 Nm |
| Torque RPM | 3600 RPM | 2900 RPM |
| Engine Compression Ratio | 9.8:1 | 10.3:1 |
| Acceleration 0-100mph | 11.5 seconds | 5.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1110 kg | 1650 kg |
| Wheelbase Size | 2700 mm | 2820 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.7 L/100km |
