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 1,998 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (238 HP @ 5600 RPM) has 21 more horse power than 2007 Audi A4. (217 HP @ 5900 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 62 kg more than 2006 Opel Astra.
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, 2006 Opel Astra (320 Nm @ 2400 RPM) has 20 more torque (in Nm) than 2007 Audi A4. (300 Nm @ 2200 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1982 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 238 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 300 Nm | 320 Nm |
| Torque RPM | 2200 RPM | 2400 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 247 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1455 kg | 1393 kg |
| Vehicle Length | 4610 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 8.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
