2009 BMW 523 vs. 2008 Porsche 911
To start off, 2009 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche 911. In addition, the cost of maintenance, including insurance, on 2008 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (444 HP @ 5700 RPM) has 269 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2009 BMW 523.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche 911 (620 Nm @ 3500 RPM) has 390 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2008 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 523 | 911 |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Rear |
| Engine Size | 2497 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 444 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 230 Nm | 620 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 78.8 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 9.6 seconds | 4.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1470 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Consumption Overall | 9.3 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
