2009 Mercedes-Benz S vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz S would be higher. At 5,460 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 200 more horse power than 2011 Mercedes-Benz SLK. (182 HP @ 5250 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2011 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz SLK weights approximately 70 kg more than 2009 Mercedes-Benz S.
Because 2009 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz S will offer significantly more control. 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 S (530 Nm @ 2800 RPM) has 280 more torque (in Nm) than 2011 Mercedes-Benz SLK. (250 Nm @ 1800 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz SLK.
Compare all specifications:
| 2009 Mercedes-Benz S | 2011 Mercedes-Benz SLK | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | S | SLK |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5460 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 382 HP | 182 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque | 530 Nm | 250 Nm |
| Torque RPM | 2800 RPM | 1800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1365 kg | 1435 kg |
| Vehicle Length | 5210 mm | 4135 mm |
| Vehicle Width | 1880 mm | 1816 mm |
| Vehicle Height | 1480 mm | 1300 mm |
| Wheelbase Size | 3170 mm | 2431 mm |
| Fuel Tank Capacity | 90 L | 60 L |
