2004 BMW 645 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 5 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 100 more horse power than 2009 Mercedes-Benz C. (228 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 2 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 (450 Nm @ 3600 RPM) has 150 more torque (in Nm) than 2009 Mercedes-Benz C. (300 Nm @ 5000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz C.
Compare all specifications:
| 2004 BMW 645 | 2009 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C |
| Year Released | 2004 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2996 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 228 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 88 mm |
| Engine Stroke Size | 82.7 mm | 82.1 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 242 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 7.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1692 kg |
| Vehicle Length | 4830 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1470 mm |
| Vehicle Height | 1380 mm | 1780 mm |
| Wheelbase Size | 2830 mm | 2770 mm |
| Fuel Consumption Overall | 12 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
