2005 BMW 730 vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C is newer by 2 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 3,497 cc (6 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (268 HP @ 6000 RPM) has 14 more horse power than 2005 BMW 730. (254 HP @ 6600 RPM) In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 150 kg more than 2007 Mercedes-Benz C.
Because 2007 Mercedes-Benz C is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz C will offer significantly more control. 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, 2007 Mercedes-Benz C (350 Nm @ 2400 RPM) has 50 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 2500 RPM). This means 2007 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 | 2007 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | C |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 3497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 268 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 7.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1935 kg | 1785 kg |
| Vehicle Length | 5040 mm | 4550 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1500 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
| Fuel Consumption Overall | 10.7 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 88 L | 62 L |
