2006 Aston Martin DB9 vs. 2005 BMW 545
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 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 would be higher. At 5,935 cc (12 cylinders), 2006 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2006 Aston Martin DB9 (444 HP @ 6000 RPM) has 116 more horse power than 2005 BMW 545. (328 HP @ 6100 RPM). In normal driving conditions, 2006 Aston Martin DB9 should accelerate faster than 2005 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2006 Aston Martin DB9 weights approximately 80 kg more than 2005 BMW 545. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 120 more torque (in Nm) than 2005 BMW 545. (450 Nm @ 3600 RPM). This means 2006 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 545.
Compare all specifications:
| 2006 Aston Martin DB9 | 2005 BMW 545 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 545 |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4398 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 570 Nm | 450 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 295 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 5.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1630 kg |
| Vehicle Length | 4720 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1480 mm |
| Wheelbase Size | 2750 mm | 2890 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.2 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 16.5 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
