2009 BMW 730 vs. 2008 Mercedes-Benz S
To start off, 2009 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz S would be higher. At 6,207 cc (8 cylinders), 2008 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz S (518 HP @ 6800 RPM) has 264 more horse power than 2009 BMW 730. (254 HP @ 6600 RPM) In normal driving conditions, 2008 Mercedes-Benz S should accelerate faster than 2009 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz S weights approximately 135 kg more than 2009 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, 2008 Mercedes-Benz S (631 Nm @ 5200 RPM) has 331 more torque (in Nm) than 2009 BMW 730. (300 Nm @ 2500 RPM). This means 2008 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 730.
Compare all specifications:
| 2009 BMW 730 | 2008 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 730 | S |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 6207 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 518 HP |
| Engine RPM | 6600 RPM | 6800 RPM |
| Torque | 300 Nm | 631 Nm |
| Torque RPM | 2500 RPM | 5200 RPM |
| Engine Compression Ratio | 10.7:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 244 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1955 kg |
| Vehicle Length | 5180 mm | 5080 mm |
| Vehicle Width | 1910 mm | 1480 mm |
| Vehicle Height | 1500 mm | 1880 mm |
| Wheelbase Size | 3140 mm | 3170 mm |
| Fuel Consumption Overall | 10.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 88 L | 90 L |
