2008 Audi A4 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 1,998 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5400 RPM) has 10 more horse power than 2008 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 95 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2011 Opel Astra (262 Nm @ 1950 RPM) has 22 more torque (in Nm) than 2008 Audi A4. (240 Nm @ 1950 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2011 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2008 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 197 HP |
| Engine RPM | 5700 RPM | 5400 RPM |
| Torque | 240 Nm | 262 Nm |
| Torque RPM | 1950 RPM | 1950 RPM |
| Engine Compression Ratio | 9.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 230 km/hour | 234 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 8.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1625 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
