2006 Alpina Roadster vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2006 Alpina Roadster 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 (451 HP @ 5750 RPM) has 155 more horse power than 2006 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2006 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 440 kg more than 2006 Alpina Roadster. 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 208 more torque (in Nm) than 2006 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alpina Roadster.
Compare all specifications:
| 2006 Alpina Roadster | 2007 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | Roadster | DB9 |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 451 HP |
| Engine RPM | 6300 RPM | 5750 RPM |
| Torque | 362 Nm | 570 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Engine Bore Size | 87 mm | 89 mm |
| Engine Stroke Size | 93.8 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 265 km/hour | 300 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1835 kg |
| Vehicle Length | 4100 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1310 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2750 mm |
| Fuel Consumption Overall | 11.7 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 55 L | 78 L |
