2005 BMW 645 vs. 2006 Mercedes-Benz C
To start off, 2006 Mercedes-Benz C is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 137 more horse power than 2006 Mercedes-Benz C. (201 HP @ 6200 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 185 kg more than 2006 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 194 more torque (in Nm) than 2006 Mercedes-Benz C. (245 Nm @ 2900 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C.
Compare all specifications:
| 2005 BMW 645 | 2006 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | C |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 201 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 439 Nm | 245 Nm |
| Torque RPM | 3600 RPM | 2900 RPM |
| Engine Bore Size | 92 mm | 88 mm |
| Engine Stroke Size | 83 mm | 68.4 mm |
| Engine Compression Ratio | 10.5:1 | 11.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 8.6 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 | 1715 kg | 1530 kg |
| Vehicle Length | 4830 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2720 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
