2009 Mercedes-Benz S vs. 2011 BMW 120
To start off, 2011 BMW 120 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 6,208 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (518 HP @ 6800 RPM) has 363 more horse power than 2011 BMW 120. (155 HP @ 6700 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2011 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 120 weights approximately 59 kg more than 2009 Mercedes-Benz S.
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, 2009 Mercedes-Benz S (631 Nm @ 5200 RPM) has 431 more torque (in Nm) than 2011 BMW 120. (200 Nm @ 4250 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 120.
Compare all specifications:
| 2009 Mercedes-Benz S | 2011 BMW 120 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 120 |
| Year Released | 2009 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 6208 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 518 HP | 155 HP |
| Engine RPM | 6800 RPM | 6700 RPM |
| Torque | 631 Nm | 200 Nm |
| Torque RPM | 5200 RPM | 4250 RPM |
| Engine Compression Ratio | 8.8:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1326 kg | 1385 kg |
| Vehicle Length | 5210 mm | 4250 mm |
| Vehicle Width | 1880 mm | 1430 mm |
| Vehicle Height | 1480 mm | 1750 mm |
| Wheelbase Size | 3170 mm | 2670 mm |
| Fuel Consumption Overall | 18.1 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 90 L | 53 L |
