2009 Aston Martin DB9 vs. 2008 Mercedes-Benz SL
To start off, 2009 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz SL would be higher. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, both vehicles can yield 510 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SL weights approximately 190 kg more than 2009 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, 2008 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 260 more torque (in Nm) than 2009 Aston Martin DB9. (570 Nm @ 5750 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Aston Martin DB9. 2008 Mercedes-Benz SL has automatic transmission and 2009 Aston Martin DB9 has manual transmission. 2009 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2008 Mercedes-Benz SL | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | SL |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 5513 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 510 HP | 510 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 570 Nm | 830 Nm |
| Torque RPM | 5750 RPM | 1900 RPM |
| Engine Compression Ratio | 10.9:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 305 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1950 kg |
| Vehicle Length | 4730 mm | 4540 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1290 mm | 1830 mm |
| Wheelbase Size | 2750 mm | 2570 mm |
| Fuel Consumption | 12.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 19.7 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 16.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 78 L | 80 L |
