2005 Audi A4 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 1,786 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 430 kg more than 2008 Opel Astra.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (225 Nm) has 75 more torque (in Nm) than 2008 Opel Astra. (150 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2005 Audi A4 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1596 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 171 HP | 0 HP |
| Torque | 225 Nm | 150 Nm |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 86 mm | 81.5 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1230 kg |
| Vehicle Length | 4550 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1700 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
| Fuel Consumption Overall | 10.2 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
