2005 BMW 730 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 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 5,439 cc (8 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz C (363 HP @ 5750 RPM) has 138 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2006 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 260 kg more than 2006 Mercedes-Benz C.
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, 2006 Mercedes-Benz C (510 Nm @ 4000 RPM) has 10 more torque (in Nm) than 2005 BMW 730. (500 Nm @ 2000 RPM). This means 2006 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730. 2005 BMW 730 has automatic transmission and 2006 Mercedes-Benz C has manual transmission. 2006 Mercedes-Benz C will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 2006 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | C |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 225 HP | 363 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 500 Nm | 510 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Acceleration 0-100mph | 8 seconds | 5.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1715 kg |
| Vehicle Length | 5050 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1750 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2720 mm |
| Fuel Consumption Overall | 8.2 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 88 L | 62 L |
