2007 BMW 523 vs. 2009 Mercedes-Benz CL
To start off, 2009 Mercedes-Benz CL is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 would be higher. At 4,966 cc (8 cylinders), 2009 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CL (302 HP @ 5600 RPM) has 127 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2009 Mercedes-Benz CL should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CL weights approximately 310 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Mercedes-Benz CL (461 Nm @ 2700 RPM) has 231 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2009 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | CL |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 302 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 230 Nm | 461 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 78.8 mm | 97 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1885 kg |
| Vehicle Length | 4850 mm | 5000 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 10.6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
