2007 Aston Martin DB9 vs. 2007 BMW Convertible
To start off, both 2007 Aston Martin DB9 and 2007 BMW Convertible were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 88 more horse power than 2007 BMW Convertible. (362 HP @ 6300 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2007 BMW Convertible. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 140 kg more than 2007 Aston Martin DB9.
Let's talk about torque, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 80 more torque (in Nm) than 2007 BMW Convertible. (490 Nm @ 3900 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Convertible.
Compare all specifications:
| 2007 Aston Martin DB9 | 2007 BMW Convertible | |
| Make | Aston Martin | BMW |
| Model | DB9 | Convertible |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4797 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 362 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 570 Nm | 490 Nm |
| Torque RPM | 5000 RPM | 3900 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.8 seconds |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1850 kg |
| Vehicle Length | 4720 mm | 4830 mm |
| Vehicle Width | 1890 mm | 1380 mm |
| Vehicle Height | 1320 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2790 mm |
| Fuel Tank Capacity | 80 L | 70 L |
