2009 BMW 650 vs. 2007 Mercedes-Benz CLS
To start off, 2009 BMW 650 is newer by 2 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 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 141 more horse power than 2007 Mercedes-Benz CLS. (221 HP @ 3800 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2007 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 489 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, 2007 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 20 more torque (in Nm) than 2009 BMW 650. (490 Nm @ 3400 RPM). This means 2007 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 | 2007 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | 650 | CLS |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 221 HP |
| Engine RPM | 6300 RPM | 3800 RPM |
| Torque | 490 Nm | 510 Nm |
| Torque RPM | 3400 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 246 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1326 kg | 1815 kg |
| Vehicle Length | 4830 mm | 4920 mm |
| Vehicle Width | 1380 mm | 1880 mm |
| Vehicle Height | 1860 mm | 1410 mm |
| Wheelbase Size | 2790 mm | 2860 mm |
| Fuel Consumption Overall | 10.5 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
