2009 Aston Martin DB9 vs. 2004 Opel Signum
To start off, 2009 Aston Martin DB9 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum 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 345 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 510 kg more than 2004 Opel Signum. 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, 2004 Opel Signum, 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 431 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2009 Aston Martin DB9 | 2004 Opel Signum | |
| Make | Aston Martin | Opel |
| Model | DB9 | Signum |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Hatchback |
| 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 | 125 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 601 Nm | 170 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Engine Bore Size | 89 mm | 80.5 mm |
| Engine Stroke Size | 79.5 mm | 88.2 mm |
| Engine Compression Ratio | 10.9:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 265 km/hour | 197 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1890 kg | 1380 kg |
| Vehicle Length | 4720 mm | 4640 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2700 mm |
| Fuel Consumption Highway | 12.4 L/100km | 6.1 L/100km |
| Fuel Consumption City | 19.6 L/100km | 11.1 L/100km |
| Fuel Consumption Overall | 16.8 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 80 L | 58 L |
