2005 Mercedes-Benz CLK vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz CLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz CLK would be higher. At 4,964 cc, 2005 Mercedes-Benz CLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz CLK (355 HP @ 5750 RPM) has 27 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2005 Mercedes-Benz CLK should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz CLK weights approximately 23 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, 2005 Mercedes-Benz CLK (460 Nm @ 2700 RPM) has 10 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2005 Mercedes-Benz CLK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2005 Mercedes-Benz CLK | 2006 BMW 645 | |
| Make | Mercedes-Benz | BMW |
| Model | CLK | 645 |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4964 cc | 4398 cc |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 355 HP | 328 HP |
| Engine RPM | 5750 RPM | 6100 RPM |
| Torque | 460 Nm | 450 Nm |
| Torque RPM | 2700 RPM | 3600 RPM |
| Engine Bore Size | 97 mm | 92 mm |
| Engine Stroke Size | 84 mm | 82.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1692 kg |
| Wheelbase Size | 2720 mm | 2790 mm |
| Fuel Tank Capacity | 70 L | 70 L |
