2005 BMW 730 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 6,208 cc, 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (451 HP @ 6800 RPM) has 226 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 857 kg more than 2005 BMW 730. 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, 2009 Mercedes-Benz C (600 Nm @ 5000 RPM) has 100 more torque (in Nm) than 2005 BMW 730. (500 Nm @ 2000 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2005 BMW 730 | 2009 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | C |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 6208 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 451 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 500 Nm | 600 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 84.1 mm | 102 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8 seconds | 4.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1975 kg | 2832 kg |
| Vehicle Length | 5050 mm | 4720 mm |
| Vehicle Width | 1910 mm | 1490 mm |
| Vehicle Height | 1500 mm | 1800 mm |
| Wheelbase Size | 2890 mm | 2770 mm |
| Fuel Consumption Overall | 8.2 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 88 L | 66 L |
