2007 Aston Martin DB9 vs. 2003 BMW 730
To start off, 2007 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. 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 222 more horse power than 2003 BMW 730. (228 HP @ 5900 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2003 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 730 weights approximately 80 kg more than 2007 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 270 more torque (in Nm) than 2003 BMW 730. (300 Nm @ 3500 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 730.
Compare all specifications:
2007 Aston Martin DB9 | 2003 BMW 730 | |
Make | Aston Martin | BMW |
Model | DB9 | 730 |
Year Released | 2007 | 2003 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 5935 cc | 2999 cc |
Engine Cylinders | 12 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 450 HP | 228 HP |
Engine RPM | 6000 RPM | 5900 RPM |
Torque | 570 Nm | 300 Nm |
Torque RPM | 5000 RPM | 3500 RPM |
Engine Bore Size | 89 mm | 84.1 mm |
Engine Stroke Size | 79.5 mm | 90 mm |
Engine Compression Ratio | 10.3:1 | 10.2:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1710 kg | 1790 kg |
Vehicle Length | 4720 mm | 5040 mm |
Vehicle Width | 1890 mm | 1910 mm |
Vehicle Height | 1320 mm | 1500 mm |
Wheelbase Size | 2750 mm | 3000 mm |
Fuel Tank Capacity | 80 L | 63 L |