2006 Audi A4 vs. 2006 Opel Astra
To start off, both 2006 Audi A4 and 2006 Opel Astra were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (201 HP @ 4000 RPM) has 53 more horse power than 2006 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2006 Opel Astra.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (450 Nm @ 1400 RPM) has 130 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Audi A4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2006 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 320 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 91.4 mm | 92 mm |
| Engine Compression Ratio | 17.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Width | 1780 mm | 1760 mm |
