2009 BMW 650 vs. 2012 Mercedes-Benz S
To start off, 2012 Mercedes-Benz S is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW 650. In addition, the cost of maintenance, including insurance, on 2009 BMW 650 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 122 more horse power than 2012 Mercedes-Benz S. (240 HP @ 3600 RPM). In normal driving conditions, 2009 BMW 650 should accelerate faster than 2012 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz S weights approximately 755 kg more than 2009 BMW 650.
Because 2012 Mercedes-Benz S is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 650. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Mercedes-Benz S (616 Nm @ 1600 RPM) has 125 more torque (in Nm) than 2009 BMW 650. (491 Nm @ 3900 RPM). This means 2012 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 650.
Compare all specifications:
| 2009 BMW 650 | 2012 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 650 | S |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 240 HP |
| Engine RPM | 6300 RPM | 3600 RPM |
| Torque | 491 Nm | 616 Nm |
| Torque RPM | 3900 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1415 kg | 2170 kg |
| Vehicle Length | 4830 mm | 5245 mm |
| Vehicle Width | 1380 mm | 1872 mm |
| Vehicle Height | 1860 mm | 1473 mm |
| Wheelbase Size | 2790 mm | 3165 mm |
| Fuel Tank Capacity | 70 L | 90 L |
