2007 BMW 645 vs. 2006 Mercedes-Benz CLK
To start off, 2007 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz CLK. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz CLK would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 106 more horse power than 2006 Mercedes-Benz CLK. (222 HP @ 4200 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2006 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 85 kg more than 2006 Mercedes-Benz CLK. 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, 2006 Mercedes-Benz CLK (510 Nm @ 1400 RPM) has 60 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Mercedes-Benz CLK will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
| 2007 BMW 645 | 2006 Mercedes-Benz CLK | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CLK |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 222 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 450 Nm | 510 Nm |
| Torque RPM | 3600 RPM | 1400 RPM |
| Engine Bore Size | 92 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 242 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 8.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1730 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2720 mm |
| Fuel Consumption Overall | 13 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
