2007 BMW 730 vs. 2005 Mercedes-Benz C
To start off, 2007 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 27 more horse power than 2005 Mercedes-Benz C. (228 HP @ 3800 RPM). In normal driving conditions, 2007 BMW 730 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 235 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, 2005 Mercedes-Benz C (540 Nm @ 2000 RPM) has 240 more torque (in Nm) than 2007 BMW 730. (300 Nm @ 2500 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 730.
Compare all specifications:
| 2007 BMW 730 | 2005 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | C |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2949 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 228 HP |
| Engine RPM | 6600 RPM | 3800 RPM |
| Torque | 300 Nm | 540 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Compression Ratio | 10.7:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1820 kg | 1585 kg |
| Vehicle Length | 5180 mm | 4350 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 3140 mm | 2720 mm |
| Fuel Consumption Overall | 10.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 88 L | 62 L |
