2007 BMW M vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW M. In addition, the cost of maintenance, including insurance, on 2007 BMW M would be higher. At 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 143 more horse power than 2007 BMW M. (330 HP @ 7900 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2007 BMW M. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M weights approximately 60 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M. 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 (620 Nm @ 1950 RPM) has 265 more torque (in Nm) than 2007 BMW M. (355 Nm @ 4900 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW M.
Compare all specifications:
| 2007 BMW M | 2009 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3245 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 473 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 355 Nm | 620 Nm |
| Torque RPM | 4900 RPM | 1950 RPM |
| Engine Bore Size | 87 mm | 100 mm |
| Engine Stroke Size | 91 mm | 76.4 mm |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 310 km/hour |
| Acceleration 0-100mph | 5 seconds | 4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1425 kg |
| Vehicle Length | 4120 mm | 4460 mm |
| Vehicle Width | 1790 mm | 1310 mm |
| Vehicle Height | 1310 mm | 1860 mm |
| Wheelbase Size | 2500 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 55 L | 67 L |
