2007 Mercedes-Benz SLK vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SLK would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (355 HP @ 6000 RPM) has 134 more horse power than 2008 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 1055 kg more than 2007 Mercedes-Benz SLK.
Because 2008 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2008 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, 2007 Mercedes-Benz SLK (511 Nm @ 4000 RPM) has 1 more torque (in Nm) than 2008 Mercedes-Benz R. (510 Nm @ 1600 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz R.
Compare all specifications:
| 2007 Mercedes-Benz SLK | 2008 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SLK | R |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Minivan |
| 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 | 355 HP | 221 HP |
| Engine RPM | 6000 RPM | 3800 RPM |
| Torque | 511 Nm | 510 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 98 mm | 83 mm |
| Engine Stroke Size | 90.5 mm | 92 mm |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 4.9 seconds | 8.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1240 kg | 2295 kg |
| Vehicle Length | 4090 mm | 5180 mm |
| Vehicle Width | 1800 mm | 1930 mm |
| Vehicle Height | 1280 mm | 1670 mm |
| Wheelbase Size | 2440 mm | 3220 mm |
| Fuel Consumption City | 14.7 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
