2007 BMW Z4 vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 4 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 200 more horse power than 2011 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 50 kg more than 2011 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2007 BMW Z4 (365 Nm @ 4900 RPM) has 65 more torque (in Nm) than 2011 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz B.
Compare all specifications:
| 2007 BMW Z4 | 2011 Mercedes-Benz B | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | B |
| Year Released | 2007 | 2011 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1990 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 138 HP |
| Engine RPM | 7900 RPM | 4200 RPM |
| Torque | 365 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 1600 RPM |
| Engine Bore Size | 87 mm | 83 mm |
| Engine Stroke Size | 91 mm | 92 mm |
| Engine Compression Ratio | 11.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 200 km/hour |
| Acceleration 0-100mph | 5 seconds | 9.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1435 kg |
| Vehicle Length | 4120 mm | 4280 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1610 mm |
| Wheelbase Size | 2500 mm | 2780 mm |
| Fuel Consumption Overall | 12.1 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 55 L | 54 L |
