2007 BMW 645 vs. 2004 Mercedes-Benz C
To start off, 2007 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz C would be higher. At 5,439 cc (8 cylinders), 2004 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz C (361 HP @ 5750 RPM) has 33 more horse power than 2007 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2004 Mercedes-Benz C should accelerate faster than 2007 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 55 kg more than 2004 Mercedes-Benz C.
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, 2004 Mercedes-Benz C (510 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2004 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645. 2004 Mercedes-Benz C has automatic transmission and 2007 BMW 645 has manual transmission. 2007 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 645 | 2004 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C |
| Year Released | 2007 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 328 HP | 361 HP |
| Engine RPM | 6100 RPM | 5750 RPM |
| Torque | 450 Nm | 510 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Top Speed | 245 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1635 kg |
| Vehicle Length | 4830 mm | 4620 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2720 mm |
| Fuel Tank Capacity | 70 L | 62 L |
