2009 Aston Martin DB9 vs. 2007 BMW 740
To start off, 2009 Aston Martin DB9 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 740. In addition, the cost of maintenance, including insurance, on 2007 BMW 740 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 168 more horse power than 2007 BMW 740. (302 HP @ 6300 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2007 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 740 weights approximately 75 kg more than 2009 Aston Martin DB9.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 210 more torque (in Nm) than 2007 BMW 740. (391 Nm @ 3500 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 740.
Compare all specifications:
| 2009 Aston Martin DB9 | 2007 BMW 740 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 740 |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4000 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 302 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 601 Nm | 391 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 265 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1965 kg |
| Vehicle Length | 4720 mm | 5040 mm |
| Vehicle Width | 1880 mm | 1910 mm |
| Vehicle Height | 1320 mm | 1500 mm |
| Wheelbase Size | 2750 mm | 3000 mm |
| Fuel Consumption Overall | 16.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 80 L | 88 L |
