2003 Aston Martin DB9 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2003 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2003 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB9 (450 HP @ 6000 RPM) has 139 more horse power than 2013 BMW 7 Series. (311 HP @ 5800 RPM). In normal driving conditions, 2003 Aston Martin DB9 should accelerate faster than 2013 BMW 7 Series. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 343 kg more than 2003 Aston Martin DB9.
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, 2003 Aston Martin DB9 (557 Nm @ 5000 RPM) has 150 more torque (in Nm) than 2013 BMW 7 Series. (407 Nm @ 4500 RPM). This means 2003 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 7 Series. 2013 BMW 7 Series has automatic transmission and 2003 Aston Martin DB9 has manual transmission. 2003 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Aston Martin DB9 | 2013 BMW 7 Series | |
| Make | Aston Martin | BMW |
| Model | DB9 | 7 Series |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2979 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 311 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 557 Nm | 407 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 89 mm |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 2053 kg |
| Vehicle Length | 4970 mm | 5214 mm |
| Vehicle Width | 1880 mm | 2134 mm |
| Vehicle Height | 1320 mm | 1481 mm |
| Wheelbase Size | 2750 mm | 3210 mm |
| Fuel Tank Capacity | 85 L | 80 L |
