2009 Audi A6 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 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 (239 HP @ 5600 RPM) has 91 more horse power than 2009 Audi A6. (148 HP @ 5700 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 202 kg more than 2011 Opel Astra.
Because 2009 Audi A6 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, 2009 Audi A6 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 (320 Nm @ 2400 RPM) has 110 more torque (in Nm) than 2009 Audi A6. (210 Nm @ 1750 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2011 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Hatchback |
| 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 | 148 HP | 239 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 210 Nm | 320 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 212 km/hour | 244 km/hour |
| Acceleration 0-100mph | 10 seconds | 6.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1595 kg | 1393 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
