2007 Mercedes-Benz B vs. 2012 BMW 740
To start off, 2012 BMW 740 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 2,993 cc (6 cylinders), 2012 BMW 740 is equipped with a bigger engine. In terms of performance, 2012 BMW 740 (304 HP @ 4400 RPM) has 114 more horse power than 2007 Mercedes-Benz B. (190 HP @ 5000 RPM) In normal driving conditions, 2012 BMW 740 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 740 weights approximately 580 kg more than 2007 Mercedes-Benz B. 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, 2012 BMW 740 (600 Nm @ 4400 RPM) has 320 more torque (in Nm) than 2007 Mercedes-Benz B. (280 Nm @ 1800 RPM). This means 2012 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
Compare all specifications:
| 2007 Mercedes-Benz B | 2012 BMW 740 | |
| Make | Mercedes-Benz | BMW |
| Model | B | 740 |
| Year Released | 2007 | 2012 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 190 HP | 304 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 280 Nm | 600 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 7.6 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1370 kg | 1950 kg |
| Vehicle Length | 4280 mm | 5072 mm |
| Vehicle Width | 1610 mm | 1902 mm |
| Vehicle Height | 1780 mm | 1479 mm |
| Wheelbase Size | 2780 mm | 3070 mm |
| Fuel Consumption Overall | 8.2 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 54 L | 82 L |
