2009 Aston Martin V8 Vantage vs. 2005 BMW 645
To start off, 2009 Aston Martin V8 Vantage 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 4,700 cc (8 cylinders), 2009 Aston Martin V8 Vantage is equipped with a bigger engine. In terms of performance, 2009 Aston Martin V8 Vantage (420 HP @ 7300 RPM) has 82 more horse power than 2005 BMW 645. (338 HP @ 6100 RPM). In normal driving conditions, 2009 Aston Martin V8 Vantage should accelerate faster than 2005 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin V8 Vantage weights approximately 175 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 V8 Vantage (469 Nm @ 5000 RPM) has 30 more torque (in Nm) than 2005 BMW 645. (439 Nm @ 3600 RPM). This means 2009 Aston Martin V8 Vantage will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 645.
Compare all specifications:
| 2009 Aston Martin V8 Vantage | 2005 BMW 645 | |
| Make | Aston Martin | BMW |
| Model | V8 Vantage | 645 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4700 cc | 4390 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 338 HP |
| Engine RPM | 7300 RPM | 6100 RPM |
| Torque | 469 Nm | 439 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1890 kg | 1715 kg |
| Vehicle Length | 4390 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1280 mm | 1380 mm |
| Wheelbase Size | 2610 mm | 2790 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
