2005 BMW 318 vs. 2009 Aston Martin DB9
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 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 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 321 more horse power than 2005 BMW 318. (149 HP @ 6000 RPM) In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 440 kg more than 2005 BMW 318. 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 (600 Nm @ 5000 RPM) has 400 more torque (in Nm) than 2005 BMW 318. (200 Nm @ 3750 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2005 BMW 318 | 2009 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | 318 | DB9 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5935 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 470 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 200 Nm | 600 Nm |
| Torque RPM | 3750 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 79.5 mm |
| Engine Compression Ratio | 10.2:1 | 10.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 306 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 4.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1835 kg |
| Vehicle Length | 4480 mm | 4720 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2790 mm | 2750 mm |
| Fuel Consumption Overall | 7.2 L/100km | 16.4 L/100km |
| Fuel Tank Capacity | 63 L | 78 L |
