2009 Aston Martin Vanquish vs. 2005 BMW 645
To start off, 2009 Aston Martin Vanquish is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin Vanquish is equipped with a bigger engine. In terms of performance, 2009 Aston Martin Vanquish (521 HP @ 7000 RPM) has 195 more horse power than 2005 BMW 645. (326 HP @ 6100 RPM). In normal driving conditions, 2009 Aston Martin Vanquish should accelerate faster than 2005 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin Vanquish weights approximately 61 kg more than 2005 BMW 645. 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 Vanquish (577 Nm @ 5800 RPM) has 130 more torque (in Nm) than 2005 BMW 645. (447 Nm @ 3600 RPM). This means 2009 Aston Martin Vanquish will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
| 2009 Aston Martin Vanquish | 2005 BMW 645 | |
| Make | Aston Martin | BMW |
| Model | Vanquish | 645 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4392 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 521 HP | 326 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 577 Nm | 447 Nm |
| Torque RPM | 5800 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 79.5 mm | 83 mm |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 325 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1956 kg | 1895 kg |
| Vehicle Length | 4670 mm | 4830 mm |
| Vehicle Width | 1930 mm | 1860 mm |
| Vehicle Height | 1340 mm | 1380 mm |
| Wheelbase Size | 2700 mm | 2890 mm |
| Fuel Consumption Overall | 18.9 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
