2007 Mercedes-Benz CLK vs. 2011 Mercedes-Benz R
To start off, 2011 Mercedes-Benz R is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLK. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLK would be higher. At 3,500 cc (6 cylinders), 2011 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz R (268 HP @ 6000 RPM) has 120 more horse power than 2007 Mercedes-Benz CLK. (148 HP @ 4200 RPM) In normal driving conditions, 2011 Mercedes-Benz R should accelerate faster than 2007 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz R weights approximately 555 kg more than 2007 Mercedes-Benz CLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Mercedes-Benz R is all wheel drive (AWD), it will have significant more traction and grip than 2007 Mercedes-Benz CLK. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Mercedes-Benz R (349 Nm @ 2400 RPM) has 9 more torque (in Nm) than 2007 Mercedes-Benz CLK. (340 Nm @ 2000 RPM). This means 2011 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz CLK.
Compare all specifications:
| 2007 Mercedes-Benz CLK | 2011 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | CLK | R |
| Year Released | 2007 | 2011 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2146 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 268 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 340 Nm | 349 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2245 kg |
| Vehicle Length | 4640 mm | 5156 mm |
| Vehicle Width | 1750 mm | 1958 mm |
| Vehicle Height | 1420 mm | 1661 mm |
| Wheelbase Size | 2720 mm | 3216 mm |
| Fuel Tank Capacity | 62 L | 80 L |
