2006 BMW 645 vs. 2012 Mercedes-Benz CL
To start off, 2012 Mercedes-Benz CL is newer by 6 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 4,700 cc (8 cylinders), 2012 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CL (429 HP @ 5250 RPM) has 101 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2012 Mercedes-Benz CL should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CL weights approximately 285 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.
Because 2012 Mercedes-Benz CL is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz CL will offer significantly more control. 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 CL (699 Nm @ 1800 RPM) has 249 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2012 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 | 2012 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CL |
| Year Released | 2006 | 2012 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4700 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 429 HP |
| Engine RPM | 6100 RPM | 5250 RPM |
| Torque | 450 Nm | 699 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1810 kg | 2095 kg |
| Vehicle Length | 4830 mm | 5095 mm |
| Vehicle Width | 1860 mm | 1872 mm |
| Vehicle Height | 1380 mm | 1417 mm |
| Wheelbase Size | 2790 mm | 2954 mm |
| Fuel Tank Capacity | 70 L | 90 L |
