2004 Aston Martin DB9 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2004 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 330 more horse power than 2005 Opel Vectra. (124 HP @ 3250 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 156 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 2004 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 2004 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, 2004 Aston Martin DB9 (570 Nm @ 5000 RPM) has 290 more torque (in Nm) than 2005 Opel Vectra. (280 Nm @ 1500 RPM). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 2005 Opel Vectra has automatic transmission and 2004 Aston Martin DB9 has manual transmission. 2004 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Aston Martin DB9 | 2005 Opel Vectra | |
| Make | Aston Martin | Opel |
| Model | DB9 | Vectra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2171 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 454 HP | 124 HP |
| Engine RPM | 6000 RPM | 3250 RPM |
| Torque | 570 Nm | 280 Nm |
| Torque RPM | 5000 RPM | 1500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 98 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 202 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 11.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1716 kg | 1560 kg |
| Vehicle Length | 4720 mm | 4830 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1510 mm |
| Wheelbase Size | 2750 mm | 2840 mm |
| Fuel Tank Capacity | 85 L | 60 L |
