2004 Alpina Roadster vs. 2005 Aston Martin DB9
To start off, 2005 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2004 Alpina Roadster would be higher. At 5,935 cc (12 cylinders), 2005 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2005 Aston Martin DB9 (444 HP @ 6000 RPM) has 143 more horse power than 2004 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2005 Aston Martin DB9 should accelerate faster than 2004 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Aston Martin DB9 weights approximately 90 kg more than 2004 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, 2005 Aston Martin DB9 (571 Nm @ 5000 RPM) has 209 more torque (in Nm) than 2004 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2005 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alpina Roadster.
Compare all specifications:
| 2004 Alpina Roadster | 2005 Aston Martin DB9 | |
| Make | Alpina | Aston Martin |
| Model | Roadster | DB9 |
| Year Released | 2004 | 2005 |
| 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 | 301 HP | 444 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 571 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1710 kg |
| Vehicle Length | 4100 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1300 mm | 1320 mm |
| Wheelbase Size | 2500 mm | 2750 mm |
| Fuel Consumption Overall | 11.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
