2003 Aston Martin DB7 vs. 2007 BMW Convertible
To start off, 2007 BMW Convertible is newer by 4 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 (414 HP @ 6000 RPM) has 51 more horse power than 2007 BMW Convertible. (363 HP @ 6300 RPM). In normal driving conditions, 2003 Aston Martin DB7 should accelerate faster than 2007 BMW Convertible. With that said, vehicle weight also plays an important factor in acceleration. 2003 Aston Martin DB7 weights approximately 25 kg more than 2007 BMW Convertible. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Aston Martin DB7 (550 Nm @ 5000 RPM) has 60 more torque (in Nm) than 2007 BMW Convertible. (490 Nm @ 3600 RPM). This means 2003 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Convertible.
Compare all specifications:
| 2003 Aston Martin DB7 | 2007 BMW Convertible | |
| Make | Aston Martin | BMW |
| Model | DB7 | Convertible |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4799 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 363 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 550 Nm | 490 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1875 kg | 1850 kg |
| Vehicle Length | 4720 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1380 mm |
| Vehicle Height | 1240 mm | 1860 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Tank Capacity | 89 L | 70 L |
