2002 Aston Martin DB7 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2002 Aston Martin DB7 would be higher. At 5,935 cc (12 cylinders), 2002 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2002 Aston Martin DB7 (450 HP @ 6000 RPM) has 243 more horse power than 2003 Opel Signum. (207 HP @ 6200 RPM). In normal driving conditions, 2002 Aston Martin DB7 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Aston Martin DB7 weights approximately 127 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Aston Martin DB7 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 2002 Aston Martin DB7. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2002 Aston Martin DB7 (571 Nm) has 271 more torque (in Nm) than 2003 Opel Signum. (300 Nm). This means 2002 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2002 Aston Martin DB7 has manual transmission. 2002 Aston Martin DB7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Aston Martin DB7 | 2003 Opel Signum | |
| Make | Aston Martin | Opel |
| Model | DB7 | Signum |
| Year Released | 2002 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 3173 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 207 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 571 Nm | 300 Nm |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 79.5 mm | 88 mm |
| Top Speed | 298 km/hour | 235 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1613 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2840 mm |
| Fuel Tank Capacity | 89 L | 60 L |
