2009 Mercedes-Benz SLK vs. 2012 Mercedes-Benz R
To start off, 2012 Mercedes-Benz R is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz SLK would be higher. At 3,500 cc (6 cylinders), 2012 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz R (302 HP @ 6500 RPM) has 2 more horse power than 2009 Mercedes-Benz SLK. (300 HP @ 6500 RPM) In normal driving conditions, 2012 Mercedes-Benz R should accelerate faster than 2009 Mercedes-Benz SLK.
Because 2012 Mercedes-Benz R is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz R 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, 2012 Mercedes-Benz R (370 Nm @ 3500 RPM) has 11 more torque (in Nm) than 2009 Mercedes-Benz SLK. (359 Nm @ 4900 RPM). This means 2012 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz SLK.
Compare all specifications:
| 2009 Mercedes-Benz SLK | 2012 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SLK | R |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 302 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 359 Nm | 370 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4110 mm | 5156 mm |
| Vehicle Width | 1790 mm | 1958 mm |
| Vehicle Height | 1300 mm | 1661 mm |
| Wheelbase Size | 2440 mm | 3216 mm |
| Fuel Consumption | 9.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
