2009 Audi A4 vs. 2005 Opel Astra
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 3,196 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (265 HP @ 6500 RPM) has 112 more horse power than 2005 Opel Astra. (153 HP @ 5800 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. 2005 Opel Astra weights approximately 268 kg more than 2009 Audi A4.
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 (330 Nm @ 3000 RPM) has 127 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2009 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 153 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 203 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1030 kg | 1298 kg |
| Vehicle Length | 4710 mm | 4290 mm |
| Vehicle Width | 1840 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2710 mm |
| Fuel Consumption Overall | 8.3 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
