2008 Aston Martin DB9 vs. 2005 Opel Vectra
To start off, 2008 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 5,934 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 296 more horse power than 2005 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Aston Martin DB9 weights approximately 690 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, 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, 2008 Aston Martin DB9 (570 Nm @ 5000 RPM) has 249 more torque (in Nm) than 2005 Opel Vectra. (321 Nm @ 2000 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2008 Aston Martin DB9 | 2005 Opel Vectra | |
| Make | Aston Martin | Opel |
| Model | DB9 | Vectra |
| Year Released | 2008 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 1909 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 570 Nm | 321 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 | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 264 km/hour | 217 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 9.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1200 kg |
| Vehicle Length | 4720 mm | 4600 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1270 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2640 mm |
| Fuel Consumption Overall | 17.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 78 L | 61 L |
