2009 Aston Martin DB9 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 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2009 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (470 HP @ 6000 RPM) has 347 more horse power than 2011 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2011 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 492 kg more than 2011 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Aston Martin DB9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2011 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Aston Martin DB9 (601 Nm @ 5000 RPM) has 321 more torque (in Nm) than 2011 Opel Astra. (280 Nm @ 2000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra.
Compare all specifications:
| 2009 Aston Martin DB9 | 2011 Opel Astra | |
| Make | Aston Martin | Opel |
| Model | DB9 | Astra |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1796 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 123 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 601 Nm | 280 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 82 mm |
| Engine Stroke Size | 79.5 mm | 90.4 mm |
| Engine Compression Ratio | 10.9:1 | 17.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 265 km/hour | 191 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1398 kg |
| Vehicle Length | 4720 mm | 4260 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2620 mm |
| Fuel Consumption Overall | 16.8 L/100km | 6 L/100km |
| Fuel Tank Capacity | 80 L | 52 L |
