2004 BMW 645 vs. 2006 Mercedes-Benz CLK
To start off, 2006 Mercedes-Benz CLK is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 106 more horse power than 2006 Mercedes-Benz CLK. (222 HP @ 4200 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2006 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLK weights approximately 40 kg more than 2004 BMW 645.
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 2004 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 2004 BMW 645.
Compare all specifications:
| 2004 BMW 645 | 2006 Mercedes-Benz CLK | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CLK |
| Year Released | 2004 | 2006 |
| Body Type | Coupe | 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 | 5.6 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 | 1690 kg | 1730 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2830 mm | 2720 mm |
| Fuel Consumption Overall | 12 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
