2009 BMW 550 vs. 2007 Porsche 911
To start off, 2009 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (657 HP @ 3400 RPM) has 184 more horse power than 2007 Porsche 911. (473 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2007 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 70 kg more than 2007 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche 911 (620 Nm @ 1950 RPM) has 130 more torque (in Nm) than 2009 BMW 550. (490 Nm @ 3400 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 550.
Compare all specifications:
| 2009 BMW 550 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 550 | 911 |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Rear |
| Engine Size | 4799 cc | 3600 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 657 HP | 473 HP |
| Engine RPM | 3400 RPM | 6000 RPM |
| Torque | 490 Nm | 620 Nm |
| Torque RPM | 3400 RPM | 1950 RPM |
| Engine Compression Ratio | 10.5:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 310 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 3.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1590 kg |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1470 mm | 1860 mm |
| Vehicle Height | 1850 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Consumption Overall | 10.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
