2006 BMW 730 vs. 2012 Aston Martin DB9
To start off, 2012 Aston Martin DB9 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 730. In addition, the cost of maintenance, including insurance, on 2006 BMW 730 would be higher. At 5,900 cc (12 cylinders), 2012 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2012 Aston Martin DB9 (470 HP @ 6000 RPM) has 216 more horse power than 2006 BMW 730. (254 HP @ 6600 RPM) In normal driving conditions, 2012 Aston Martin DB9 should accelerate faster than 2006 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 20 kg more than 2012 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, 2012 Aston Martin DB9 (600 Nm @ 5000 RPM) has 300 more torque (in Nm) than 2006 BMW 730. (300 Nm @ 2500 RPM). This means 2012 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 730.
Compare all specifications:
| 2006 BMW 730 | 2012 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | 730 | DB9 |
| Year Released | 2006 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 5900 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 470 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 300 Nm | 600 Nm |
| Torque RPM | 2500 RPM | 5000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1800 kg |
| Vehicle Length | 5180 mm | 4709 mm |
| Vehicle Width | 1910 mm | 1875 mm |
| Vehicle Height | 1500 mm | 1270 mm |
| Wheelbase Size | 3140 mm | 2746 mm |
| Fuel Tank Capacity | 88 L | 80 L |
