2009 Aston Martin DB9 vs. 2008 BMW 525
To start off, 2009 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 525. In addition, the cost of maintenance, including insurance, on 2008 BMW 525 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 295 more horse power than 2008 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 230 kg more than 2008 BMW 525. 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 201 more torque (in Nm) than 2008 BMW 525. (400 Nm @ 2000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 BMW 525 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 525 |
| Year Released | 2009 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2495 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 470 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 601 Nm | 400 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 75.1 mm |
| Engine Compression Ratio | 10.9:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 265 km/hour | 230 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 8.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1660 kg |
| Vehicle Length | 4720 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2890 mm |
| Fuel Consumption Overall | 16.8 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
