2009 Acura RDX vs. 2006 Mercedes-Benz CLS
To start off, 2009 Acura RDX is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz CLS would be higher. At 3,495 cc (6 cylinders), 2006 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CLS (268 HP @ 6000 RPM) has 28 more horse power than 2009 Acura RDX. (240 HP @ 6000 RPM) In normal driving conditions, 2006 Mercedes-Benz CLS should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLS weights approximately 280 kg more than 2009 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX 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 Acura RDX (353 Nm @ 4500 RPM) has 3 more torque (in Nm) than 2006 Mercedes-Benz CLS. (350 Nm @ 2400 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz CLS.
Compare all specifications:
| 2009 Acura RDX | 2006 Mercedes-Benz CLS | |
| Make | Acura | Mercedes-Benz |
| Model | RDX | CLS |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2300 cc | 3495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 268 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 353 Nm | 350 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1730 kg |
| Vehicle Length | 4600 mm | 4920 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1660 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 68 L | 89 L |
