2005 Audi A4 vs. 2002 Opel Astra
To start off, 2005 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Opel Astra. In addition, the cost of maintenance, including insurance, on 2002 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2002 Opel Astra is equipped with a bigger engine. In terms of performance, 2002 Opel Astra (187 HP @ 5400 RPM) has 16 more horse power than 2005 Audi A4. (171 HP @ 6200 RPM) In normal driving conditions, 2002 Opel Astra should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 245 kg more than 2002 Opel Astra.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 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, 2002 Opel Astra (256 Nm) has 31 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2002 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2002 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2002 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 171 HP | 187 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 225 Nm | 256 Nm |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1415 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
