2006 Aston Martin DB9 vs. 2005 BMW 750
To start off, 2006 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 750. In addition, the cost of maintenance, including insurance, on 2005 BMW 750 would be higher. At 5,932 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (450 HP @ 6000 RPM) has 87 more horse power than 2005 BMW 750. (363 HP @ 6300 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2005 BMW 750. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 750 weights approximately 240 kg more than 2006 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, 2006 Aston Martin DB9 (570 Nm @ 5000 RPM) has 80 more torque (in Nm) than 2005 BMW 750. (490 Nm @ 3400 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 750. 2005 BMW 750 has automatic transmission and 2006 Aston Martin DB9 has manual transmission. 2006 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Aston Martin DB9 | 2005 BMW 750 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 750 |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5932 cc | 4799 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 363 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 570 Nm | 490 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 89.1 mm | 93 mm |
| Engine Stroke Size | 79.5 mm | 88.3 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.1 seconds | 6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1950 kg |
| Vehicle Length | 4720 mm | 5050 mm |
| Vehicle Width | 1880 mm | 1910 mm |
| Vehicle Height | 1320 mm | 1500 mm |
| Wheelbase Size | 2750 mm | 3130 mm |
| Fuel Consumption Highway | 13.1 L/100km | 8.3 L/100km |
| Fuel Consumption City | 18.1 L/100km | 16.9 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 83 L | 90 L |
