2003 Aston Martin DB7 vs. 2006 BMW X3
To start off, 2006 BMW X3 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2003 Aston Martin DB7 would be higher. At 5,935 cc (12 cylinders), 2003 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB7 (435 HP @ 6000 RPM) has 208 more horse power than 2006 BMW X3. (227 HP @ 5900 RPM). In normal driving conditions, 2003 Aston Martin DB7 should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 95 kg more than 2003 Aston Martin DB7.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Aston Martin DB7. In wet, icy, snow, or gravel driving conditions, 2006 BMW X3 will offer significantly more control. 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, 2003 Aston Martin DB7 (540 Nm @ 5000 RPM) has 249 more torque (in Nm) than 2006 BMW X3. (291 Nm @ 3500 RPM). This means 2003 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2003 Aston Martin DB7 | 2006 BMW X3 | |
| Make | Aston Martin | BMW |
| Model | DB7 | X3 |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2979 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 227 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 540 Nm | 291 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.1 mm |
| Engine Stroke Size | 79.5 mm | 89.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1835 kg |
| Vehicle Length | 4490 mm | 4570 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1250 mm | 1680 mm |
| Wheelbase Size | 2540 mm | 2800 mm |
