1999 Audi A4 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 1,795 cc (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (150 HP) has 12 more horse power than 2009 Opel Astra. (138 HP). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2009 Opel Astra.
Because 1999 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, 1999 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, 1999 Audi A4 (210 Nm) has 35 more torque (in Nm) than 2009 Opel Astra. (175 Nm). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra.
Compare all specifications:
| 1999 Audi A4 | 2009 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 1999 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 150 HP | 138 HP |
| Torque | 210 Nm | 175 Nm |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Top Speed | 220 km/hour | 208 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4480 mm | 4260 mm |
| Vehicle Width | 1740 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
