2007 Audi A3 vs. 2006 Opel Astra
To start off, 2007 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 1,967 cc (4 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (148 HP @ 4000 RPM) has 10 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2007 Audi A3.
Because 2007 Audi A3 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, 2007 Audi A3 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, both vehicles can yield 320 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 Audi A3 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1967 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 320 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Engine Compression Ratio | 18.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Width | 1770 mm | 1760 mm |
