2007 Aston Martin DB9 vs. 2007 BMW 545
To start off, both 2007 Aston Martin DB9 and 2007 BMW 545 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 123 more horse power than 2007 BMW 545. (328 HP @ 6100 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2007 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 140 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 120 more torque (in Nm) than 2007 BMW 545. (450 Nm @ 3600 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 545.
Compare all specifications:
| 2007 Aston Martin DB9 | 2007 BMW 545 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 545 |
| Year Released | 2007 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4397 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 451 HP | 328 HP |
| Engine RPM | 5750 RPM | 6100 RPM |
| Torque | 570 Nm | 450 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 79.5 mm | 82.7 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1975 kg |
| Vehicle Length | 4720 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1280 mm | 1500 mm |
| Wheelbase Size | 2750 mm | 2840 mm |
| Fuel Consumption Overall | 17.8 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 78 L | 70 L |
