2009 Mercedes-Benz S vs. 2011 BMW 730
To start off, 2011 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz S would be higher. At 5,460 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 138 more horse power than 2011 BMW 730. (244 HP @ 4000 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2011 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 730 weights approximately 610 kg more than 2009 Mercedes-Benz S.
Because 2009 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2011 BMW 730. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz S 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, 2011 BMW 730 (540 Nm @ 4000 RPM) has 10 more torque (in Nm) than 2009 Mercedes-Benz S. (530 Nm @ 2800 RPM). This means 2011 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz S.
Compare all specifications:
| 2009 Mercedes-Benz S | 2011 BMW 730 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 730 |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5460 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 382 HP | 244 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 530 Nm | 540 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1975 kg |
| Vehicle Length | 5210 mm | 5212 mm |
| Vehicle Width | 1880 mm | 1902 mm |
| Vehicle Height | 1480 mm | 1479 mm |
| Wheelbase Size | 3170 mm | 3210 mm |
| Fuel Consumption Highway | 11.8 L/100km | 5.6 L/100km |
| Fuel Consumption City | 16.8 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 90 L | 82 L |
