2007 Mercedes-Benz CLS vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL 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 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (604 HP @ 4800 RPM) has 97 more horse power than 2007 Mercedes-Benz CLS. (507 HP @ 6800 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2007 Mercedes-Benz CLS.
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, 2009 Mercedes-Benz SL (1,001 Nm @ 2000 RPM) has 370 more torque (in Nm) than 2007 Mercedes-Benz CLS. (631 Nm @ 5200 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz CLS.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 2009 Mercedes-Benz SL | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | CLS | SL |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 6206 cc | 5980 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 507 HP | 604 HP |
| Engine RPM | 6800 RPM | 4800 RPM |
| Torque | 631 Nm | 1001 Nm |
| Torque RPM | 5200 RPM | 2000 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4910 mm | 4540 mm |
| Vehicle Width | 1880 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2860 mm | 2570 mm |
| Fuel Consumption | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption City | 18.1 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
