2007 Aston Martin DB9 vs. 2008 BMW 320
To start off, 2008 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2007 Aston Martin DB9 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 289 more horse power than 2008 BMW 320. (161 HP @ 4000 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 250 kg more than 2008 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 240 more torque (in Nm) than 2008 BMW 320. (330 Nm @ 2000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2007 Aston Martin DB9 | 2008 BMW 320 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 320 |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Station Wagon |
| 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 | 450 HP | 161 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 570 Nm | 330 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 215 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 8.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1710 kg | 1460 kg |
| Vehicle Length | 4720 mm | 4530 mm |
| Vehicle Width | 1890 mm | 1420 mm |
| Vehicle Height | 1320 mm | 1820 mm |
| Wheelbase Size | 2750 mm | 2770 mm |
| Fuel Consumption Overall | 15.7 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
