2009 Alpina B7 vs. 2012 Aston Martin DB9
To start off, 2012 Aston Martin DB9 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Alpina B7. In addition, the cost of maintenance, including insurance, on 2009 Alpina B7 would be higher. At 5,900 cc (12 cylinders), 2012 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 23 more horse power than 2012 Aston Martin DB9. (470 HP @ 6000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2012 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 135 kg more than 2012 Aston Martin DB9. 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 Alpina B7 (700 Nm @ 4250 RPM) has 100 more torque (in Nm) than 2012 Aston Martin DB9. (600 Nm @ 5000 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2012 Aston Martin DB9.
Compare all specifications:
| 2009 Alpina B7 | 2012 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | B7 | DB9 |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 5900 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 470 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 600 Nm |
| Torque RPM | 4250 RPM | 5000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1990 kg | 1855 kg |
| Vehicle Length | 5180 mm | 4709 mm |
| Vehicle Width | 1910 mm | 1875 mm |
| Vehicle Height | 1450 mm | 1270 mm |
| Wheelbase Size | 3140 mm | 2746 mm |
| Fuel Tank Capacity | 88 L | 80 L |
