2003 Opel Vectra vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 277 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 71 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 200 more torque (in Nm) than 2003 Opel Vectra. (370 Nm @ 1900 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2007 Aston Martin DB9 | |
| Make | Opel | Aston Martin |
| Model | Vectra | DB9 |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 451 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 370 Nm | 570 Nm |
| Torque RPM | 1900 RPM | 5000 RPM |
| Engine Bore Size | 87.5 mm | 89 mm |
| Engine Stroke Size | 82 mm | 79.5 mm |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Top Speed | 220 km/hour | 300 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1764 kg | 1835 kg |
| Vehicle Length | 4830 mm | 4720 mm |
| Vehicle Width | 1800 mm | 1880 mm |
| Vehicle Height | 1510 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
| Fuel Consumption | 5.8 L/100km | 12.4 L/100km |
| Fuel Consumption City | 11 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 7.7 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 60 L | 78 L |
