2007 BMW 523 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 5 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 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 227 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 390 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 370 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2012 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | CLS |
| Year Released | 2007 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 402 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 230 Nm | 600 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1890 kg |
| Vehicle Length | 4850 mm | 4940 mm |
| Vehicle Width | 1470 mm | 1882 mm |
| Vehicle Height | 1850 mm | 1417 mm |
| Wheelbase Size | 2890 mm | 2875 mm |
| Fuel Tank Capacity | 70 L | 80 L |
