2008 Mercedes-Benz B vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz B would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (321 HP @ 6800 RPM) has 183 more horse power than 2008 Mercedes-Benz B. (138 HP @ 4200 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2008 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz B weights approximately 75 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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, 2009 Porsche 911 (370 Nm @ 4250 RPM) has 70 more torque (in Nm) than 2008 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz B.
Compare all specifications:
| 2008 Mercedes-Benz B | 2009 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | B | 911 |
| Year Released | 2008 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1991 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 321 HP |
| Engine RPM | 4200 RPM | 6800 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 1600 RPM | 4250 RPM |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 200 km/hour | 275 km/hour |
| Acceleration 0-100mph | 7.6 seconds | 5.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1295 kg |
| Vehicle Length | 4280 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1320 mm |
| Vehicle Height | 1610 mm | 1860 mm |
| Wheelbase Size | 2780 mm | 2360 mm |
| Fuel Consumption Overall | 5.8 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 54 L | 67 L |
