2008 Alpina B5 vs. 2007 Aston Martin DB9
To start off, 2008 Alpina B5 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2007 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Alpina B5 (493 HP @ 5500 RPM) has 42 more horse power than 2007 Aston Martin DB9. (451 HP @ 5750 RPM). In normal driving conditions, 2008 Alpina B5 should accelerate faster than 2007 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 25 kg more than 2008 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, 2008 Alpina B5 (700 Nm @ 4250 RPM) has 130 more torque (in Nm) than 2007 Aston Martin DB9. (570 Nm @ 5000 RPM). This means 2008 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Aston Martin DB9. 2008 Alpina B5 has automatic transmission and 2007 Aston Martin DB9 has manual transmission. 2007 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Alpina B5 | 2007 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | B5 | DB9 |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 5935 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 451 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 700 Nm | 570 Nm |
| Torque RPM | 4250 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 79.5 mm |
| Engine Compression Ratio | 9.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 300 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1835 kg |
| Vehicle Length | 4850 mm | 4720 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1500 mm | 1280 mm |
| Wheelbase Size | 2890 mm | 2750 mm |
| Fuel Consumption Overall | 12.4 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 70 L | 78 L |
