2008 Audi A4 vs. 2006 Opel Astra
To start off, 2008 Audi A4 is newer by 2 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 3,188 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (252 HP @ 6500 RPM) has 148 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2008 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 155 kg more than 2008 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, 2008 Audi A4 (330 Nm @ 3250 RPM) has 180 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2008 Audi A4 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 104 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 150 Nm |
| Torque RPM | 3250 RPM | 3900 RPM |
| Engine Bore Size | 84.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 81.5 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 228 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 12.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1315 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 | 9.5 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
