2004 BMW 645 vs. 2006 Mercedes-Benz C
To start off, 2006 Mercedes-Benz C 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 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 54 more horse power than 2006 Mercedes-Benz C. (268 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz C weights approximately 70 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, 2004 BMW 645 (447 Nm) has 97 more torque (in Nm) than 2006 Mercedes-Benz C. (350 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C.
Compare all specifications:
| 2004 BMW 645 | 2006 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C |
| Year Released | 2004 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 268 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 447 Nm | 350 Nm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 1785 kg |
| Vehicle Length | 4840 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2720 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
