2005 Mercedes-Benz B vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz B would be higher. At 3,000 cc (6 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (300 HP @ 5800 RPM) has 110 more horse power than 2005 Mercedes-Benz B. (190 HP @ 5000 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2005 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 220 kg more than 2005 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2011 BMW Z4 (406 Nm @ 1400 RPM) has 126 more torque (in Nm) than 2005 Mercedes-Benz B. (280 Nm @ 1800 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz B.
Compare all specifications:
| 2005 Mercedes-Benz B | 2011 BMW Z4 | |
| Make | Mercedes-Benz | BMW |
| Model | B | Z4 |
| Year Released | 2005 | 2011 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 190 HP | 300 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 280 Nm | 406 Nm |
| Torque RPM | 1800 RPM | 1400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1590 kg |
| Vehicle Length | 4280 mm | 4239 mm |
| Vehicle Width | 1780 mm | 1791 mm |
| Vehicle Height | 1610 mm | 1290 mm |
| Wheelbase Size | 2860 mm | 2497 mm |
| Fuel Tank Capacity | 54 L | 55 L |
