2003 BMW 645 vs. 2007 Mercedes-Benz CL
To start off, 2007 Mercedes-Benz CL is newer by 4 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 5,461 cc (8 cylinders), 2007 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CL (382 HP @ 6000 RPM) has 57 more horse power than 2003 BMW 645. (325 HP @ 6100 RPM) In normal driving conditions, 2007 Mercedes-Benz CL should accelerate faster than 2003 BMW 645.
Let's talk about torque, 2007 Mercedes-Benz CL (530 Nm @ 2800 RPM) has 80 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2007 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645. 2007 Mercedes-Benz CL has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz CL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 2007 Mercedes-Benz CL | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | CL |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 382 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 530 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Bore Size | 92 mm | 98 mm |
| Engine Stroke Size | 82.7 mm | 90.5 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4830 mm | 5070 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2960 mm |
| Fuel Consumption | 8.6 L/100km | 10.8 L/100km |
| Fuel Consumption City | 17.2 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
