2008 Aston Martin DB9 vs. 2009 Mercedes-Benz B
To start off, 2009 Mercedes-Benz B is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2008 Aston Martin DB9 would be higher. At 5,934 cc (12 cylinders), 2008 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB9 (444 HP @ 6000 RPM) has 330 more horse power than 2009 Mercedes-Benz B. (114 HP @ 5750 RPM). In normal driving conditions, 2008 Aston Martin DB9 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2008 Aston Martin DB9 weights approximately 420 kg more than 2009 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Aston Martin DB9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz B, being front wheel drive (FWD), will offer much better control with better grip. 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 Aston Martin DB9 (570 Nm @ 5000 RPM) has 405 more torque (in Nm) than 2009 Mercedes-Benz B. (165 Nm @ 3500 RPM). This means 2008 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz B.
Compare all specifications:
| 2008 Aston Martin DB9 | 2009 Mercedes-Benz B | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | B |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 2034 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 114 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 570 Nm | 165 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 83.1 mm |
| Engine Stroke Size | 79.5 mm | 94 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.1 seconds | 12.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1890 kg | 1470 kg |
| Vehicle Length | 4720 mm | 4280 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1270 mm | 1630 mm |
| Wheelbase Size | 2750 mm | 2780 mm |
| Fuel Consumption Overall | 17.4 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 78 L | 54 L |
