2003 BMW 645 vs. 2013 Mercedes-Benz CL
To start off, 2013 Mercedes-Benz CL is newer by 10 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz CL is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz CL weights approximately 445 kg more than 2003 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, 2013 Mercedes-Benz CL (900 Nm @ 3750 RPM) has 450 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2013 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2013 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CL |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4398 cc | 5500 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 0 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 450 Nm | 900 Nm |
| Torque RPM | 3600 RPM | 3750 RPM |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | TBD |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.5 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 | 2135 kg |
| Vehicle Length | 4830 mm | 5106 mm |
| Vehicle Width | 1860 mm | 2139 mm |
| Vehicle Height | 1380 mm | 1426 mm |
| Wheelbase Size | 2890 mm | 2955 mm |
| Fuel Consumption | 8.6 L/100km | 9.3 L/100km |
| Fuel Consumption City | 17.2 L/100km | 13.8 L/100km |
