2009 Alpina B5 vs. 2009 Aston Martin DB9
To start off, both 2009 Alpina B5 and 2009 Aston Martin DB9 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 23 more horse power than 2009 Aston Martin DB9. (470 HP @ 6000 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2009 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 170 kg more than 2009 Alpina B5.
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 B5 (700 Nm @ 4250 RPM) has 99 more torque (in Nm) than 2009 Aston Martin DB9. (601 Nm @ 5000 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Aston Martin DB9.
Compare all specifications:
| 2009 Alpina B5 | 2009 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | B5 | DB9 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5935 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 | 601 Nm |
| Torque RPM | 4250 RPM | 5000 RPM |
| Engine Compression Ratio | 9.0:1 | 10.9:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 309 km/hour | 265 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1890 kg |
| Vehicle Length | 4850 mm | 4720 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1320 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Consumption Overall | 12.3 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
