2007 Audi A4 vs. 2006 Opel Astra
To start off, 2007 Audi A4 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 1,968 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (138 HP @ 4000 RPM) has 39 more horse power than 2006 Opel Astra. (99 HP @ 3500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 160 kg more than 2007 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Audi A4 (320 Nm @ 1750 RPM) has 60 more torque (in Nm) than 2006 Opel Astra. (260 Nm @ 1700 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2007 Audi A4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1968 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 | 99 HP |
| Engine RPM | 4000 RPM | 3500 RPM |
| Torque | 320 Nm | 260 Nm |
| Torque RPM | 1750 RPM | 1700 RPM |
| Engine Bore Size | 81.1 mm | 82 mm |
| Engine Stroke Size | 95.5 mm | 90.4 mm |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.9 seconds | 12.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1435 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 5.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
