2007 Aston Martin DB9 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 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, 2007 Aston Martin DB9 (450 HP @ 6000 RPM) has 162 more horse power than 2009 Mercedes-Benz CLS. (288 HP @ 6400 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 25 kg more than 2007 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 205 more torque (in Nm) than 2009 Mercedes-Benz CLS. (365 Nm @ 3000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz CLS.
Compare all specifications:
| 2007 Aston Martin DB9 | 2009 Mercedes-Benz CLS | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | CLS |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 3498 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 288 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 570 Nm | 365 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 93 mm |
| Engine Stroke Size | 79.5 mm | 86 mm |
| Engine Compression Ratio | 10.3:1 | 12.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.1 seconds | 6.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1735 kg |
| Vehicle Length | 4720 mm | 4920 mm |
| Vehicle Width | 1890 mm | 1880 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
