2009 BMW 650 vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 650. In addition, the cost of maintenance, including insurance, on 2009 BMW 650 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 161 more horse power than 2011 Mercedes-Benz CLS. (201 HP @ 4200 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2011 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 275 kg more than 2009 BMW 650.
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, 2011 Mercedes-Benz CLS (500 Nm @ 1600 RPM) has 10 more torque (in Nm) than 2009 BMW 650. (490 Nm @ 3400 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 650.
Compare all specifications:
| 2009 BMW 650 | 2011 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | 650 | CLS |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2143 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 201 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 490 Nm | 500 Nm |
| Torque RPM | 3400 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 16.2:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 241 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1800 kg |
| Vehicle Length | 4830 mm | 4940 mm |
| Vehicle Width | 1380 mm | 1882 mm |
| Vehicle Height | 1860 mm | 1417 mm |
| Wheelbase Size | 2790 mm | 2875 mm |
| Fuel Tank Capacity | 70 L | 80 L |
