2009 Audi A6 vs. 2007 Opel Astra
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 3,123 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 134 more horse power than 2007 Opel Astra. (118 HP @ 3500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 285 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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, 2009 Audi A6 (330 Nm @ 3250 RPM) has 50 more torque (in Nm) than 2007 Opel Astra. (280 Nm @ 2000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2009 Audi A6 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 118 HP |
| Engine RPM | 6500 RPM | 3500 RPM |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 90.4 mm |
| Engine Compression Ratio | 13.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 191 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1680 kg | 1395 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Consumption Overall | 10.9 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
