2007 Mercedes-Benz CLS vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 2,987 cc (6 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (318 HP @ 6000 RPM) has 97 more horse power than 2007 Mercedes-Benz CLS. (221 HP @ 3800 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2007 Mercedes-Benz CLS.
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, 2007 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 60 more torque (in Nm) than 2013 BMW 6 series. (450 Nm @ 4500 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 6 series.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 2013 BMW 6 series | |
| Make | Mercedes-Benz | BMW |
| Model | CLS | 6 series |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 318 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 510 Nm | 450 Nm |
| Torque RPM | 1600 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 92 mm | 89 mm |
| Engine Compression Ratio | 18.0:1 | 10.2 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 246 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1815 kg |
| Vehicle Length | 4920 mm | 4894 mm |
| Vehicle Width | 1880 mm | 1894 mm |
| Vehicle Height | 1410 mm | 1369 mm |
| Wheelbase Size | 2860 mm | 2855 mm |
| Fuel Tank Capacity | 80 L | 70 L |
