2005 Mercedes-Benz SLK vs. 2007 Mercedes-Benz CLS
To start off, 2007 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 5,439 cc (8 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (361 HP @ 4200 RPM) has 140 more horse power than 2007 Mercedes-Benz CLS. (221 HP @ 3800 RPM). In normal driving conditions, 2005 Mercedes-Benz SLK 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 274 kg more than 2005 Mercedes-Benz SLK.
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 (510 Nm) has 10 more torque (in Nm) than 2005 Mercedes-Benz SLK. (500 Nm). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Mercedes-Benz SLK | 2007 Mercedes-Benz CLS | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SLK | CLS |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 361 HP | 221 HP |
| Engine RPM | 4200 RPM | 3800 RPM |
| Torque | 500 Nm | 510 Nm |
| Engine Bore Size | 97.1 mm | 83 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1541 kg | 1815 kg |
| Vehicle Length | 4090 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1880 mm |
| Vehicle Height | 1280 mm | 1410 mm |
| Wheelbase Size | 2440 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
