2004 BMW 645 vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C is newer by 1 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 190 more horse power than 2005 Mercedes-Benz C. (138 HP @ 1800 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 295 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (451 Nm @ 3600 RPM) has 136 more torque (in Nm) than 2005 Mercedes-Benz C. (315 Nm @ 1800 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2004 BMW 645 | 2005 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C |
| Year Released | 2004 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 138 HP |
| Engine RPM | 6100 RPM | 1800 RPM |
| Torque | 451 Nm | 315 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 10.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1520 kg |
| Vehicle Length | 4830 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2860 mm |
| Fuel Consumption Overall | 12.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
