2007 Aston Martin DB9 vs. 2005 Mercedes-Benz CL
To start off, 2007 Aston Martin DB9 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz CL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz CL would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz CL (493 HP @ 4200 RPM) has 42 more horse power than 2007 Aston Martin DB9. (451 HP @ 5750 RPM) In normal driving conditions, 2005 Mercedes-Benz CL should accelerate faster than 2007 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz CL weights approximately 95 kg more than 2007 Aston Martin DB9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Mercedes-Benz CL (700 Nm) has 130 more torque (in Nm) than 2007 Aston Martin DB9. (570 Nm). This means 2005 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 2007 Aston Martin DB9.
Compare all specifications:
| 2007 Aston Martin DB9 | 2005 Mercedes-Benz CL | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | CL |
| Year Released | 2007 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 5441 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 451 HP | 493 HP |
| Engine RPM | 5750 RPM | 4200 RPM |
| Torque | 570 Nm | 700 Nm |
| Engine Bore Size | 89 mm | 97 mm |
| Engine Stroke Size | 79.5 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1930 kg |
| Vehicle Length | 4720 mm | 5000 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1280 mm | 1410 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 19.6 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 17.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 78 L | 88 L |
