2007 Lexus RX vs. 2005 Mercedes-Benz SLK
To start off, 2007 Lexus RX 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 89 more horse power than 2007 Lexus RX. (272 HP @ 6200 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2007 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus RX weights approximately 369 kg more than 2005 Mercedes-Benz SLK.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2007 Lexus RX 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, 2005 Mercedes-Benz SLK (500 Nm) has 158 more torque (in Nm) than 2007 Lexus RX. (342 Nm). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus RX.
Compare all specifications:
| 2007 Lexus RX | 2005 Mercedes-Benz SLK | |
| Make | Lexus | Mercedes-Benz |
| Model | RX | SLK |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3456 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 272 HP | 361 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 342 Nm | 500 Nm |
| Engine Compression Ratio | 10.8:1 | 11.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1541 kg |
| Vehicle Length | 4580 mm | 4090 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1280 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 11.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 75 L | 70 L |
