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 5,459 cc (8 cylinders), 2009 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CL (382 HP @ 6000 RPM) has 207 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. 2007 BMW 523 weights approximately 265 kg more than 2009 Mercedes-Benz CL.
Because 2009 Mercedes-Benz CL is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz CL 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 Mercedes-Benz CL (530 Nm @ 2800 RPM) has 300 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. 2009 Mercedes-Benz CL has automatic transmission and 2007 BMW 523 has manual transmission. 2007 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz CL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 523 | 2009 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | CL |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 5459 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 382 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1225 kg |
| Vehicle Length | 4850 mm | 5070 mm |
| Vehicle Width | 1470 mm | 1880 mm |
| Vehicle Height | 1850 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2960 mm |
| Fuel Consumption Overall | 8.5 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
