2005 Alpina B3 vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alpina B3. In addition, the cost of maintenance, including insurance, on 2005 Alpina B3 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 149 more horse power than 2005 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2005 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B3 weights approximately 240 kg more than 2007 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 207 more torque (in Nm) than 2005 Alpina B3. (363 Nm @ 4800 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alpina B3.
Compare all specifications:
| 2005 Alpina B3 | 2007 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | B3 | DB9 |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 450 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 363 Nm | 570 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Engine Bore Size | 87 mm | 89 mm |
| Engine Stroke Size | 93.1 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 271 km/hour | 300 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 5.1 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1710 kg |
| Vehicle Length | 4490 mm | 4720 mm |
| Vehicle Width | 1760 mm | 1890 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2730 mm | 2750 mm |
| Fuel Consumption Overall | 10.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
