2009 Aston Martin DB9 vs. 2007 Mercedes-Benz CLS
To start off, 2009 Aston Martin DB9 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 6,208 cc, 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 2 more horse power than 2007 Mercedes-Benz CLS. (508 HP @ 6200 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2007 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 160 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, 2007 Mercedes-Benz CLS (630 Nm @ 3000 RPM) has 60 more torque (in Nm) than 2009 Aston Martin DB9. (570 Nm @ 5750 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 Aston Martin DB9. 2007 Mercedes-Benz CLS 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. 2007 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Aston Martin DB9 | 2007 Mercedes-Benz CLS | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | CLS |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 6208 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 508 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 570 Nm | 630 Nm |
| Torque RPM | 5750 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 102.2 mm |
| Engine Stroke Size | 79.5 mm | 94.6 mm |
| Engine Compression Ratio | 10.9:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 305 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1920 kg |
| Vehicle Length | 4730 mm | 4920 mm |
| Vehicle Width | 1910 mm | 1400 mm |
| Vehicle Height | 1290 mm | 1880 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
| Fuel Consumption Overall | 16.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 78 L | 80 L |
