2009 Aston Martin DB9 vs. 2005 BMW 320
To start off, 2009 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (470 HP @ 6000 RPM) has 322 more horse power than 2005 BMW 320. (148 HP @ 4000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 400 kg more than 2005 BMW 320. 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, 2009 Aston Martin DB9 (601 Nm @ 5000 RPM) has 261 more torque (in Nm) than 2005 BMW 320. (340 Nm @ 2000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2009 Aston Martin DB9 | 2005 BMW 320 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 320 |
| Year Released | 2009 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1995 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 601 Nm | 340 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.9:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 265 km/hour | 216 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 8.8 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1490 kg |
| Vehicle Length | 4720 mm | 4490 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1320 mm | 1380 mm |
| Wheelbase Size | 2750 mm | 2730 mm |
| Fuel Consumption Overall | 16.8 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
