2006 BMW 645 vs. 2007 Mercedes-Benz CL
To start off, 2007 Mercedes-Benz CL is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CL (494 HP @ 6100 RPM) has 166 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2007 Mercedes-Benz CL should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CL weights approximately 55 kg more than 2006 BMW 645. 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, 2007 Mercedes-Benz CL (700 Nm @ 4000 RPM) has 250 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2007 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2007 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CL |
| Year Released | 2006 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 328 HP | 494 HP |
| Engine RPM | 6100 RPM | 6100 RPM |
| Torque | 450 Nm | 700 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 4.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1865 kg |
| Vehicle Length | 4830 mm | 5000 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2890 mm |
| Fuel Consumption Overall | 13.3 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
