2012 Mercedes-Benz B vs. 2009 BMW 650
To start off, 2012 Mercedes-Benz B 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 254 more horse power than 2012 Mercedes-Benz B. (108 HP @ 3200 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2012 Mercedes-Benz B.
Because 2009 BMW 650 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 650. However, in wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz B, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 650 (490 Nm @ 3400 RPM) has 240 more torque (in Nm) than 2012 Mercedes-Benz B. (250 Nm @ 1400 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz B. 2009 BMW 650 has automatic transmission and 2012 Mercedes-Benz B has manual transmission. 2012 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2012 Mercedes-Benz B | 2009 BMW 650 | |
| Make | Mercedes-Benz | BMW |
| Model | B | 650 |
| Year Released | 2012 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 362 HP |
| Engine RPM | 3200 RPM | 6300 RPM |
| Torque | 250 Nm | 490 Nm |
| Torque RPM | 1400 RPM | 3400 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 190 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 5.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4359 mm | 4830 mm |
| Vehicle Width | 1786 mm | 1860 mm |
| Vehicle Height | 1557 mm | 1380 mm |
| Wheelbase Size | 2699 mm | 2790 mm |
