2009 BMW X5 vs. 2008 Porsche 911
To start off, 2009 BMW X5 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 (473 HP @ 6000 RPM) has 213 more horse power than 2009 BMW X5. (260 HP @ 6600 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2009 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 105 kg more than 2009 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 @ 1950 RPM) has 315 more torque (in Nm) than 2009 BMW X5. (305 Nm @ 2750 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X5.
Compare all specifications:
| 2009 BMW X5 | 2008 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2996 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 473 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 305 Nm | 620 Nm |
| Torque RPM | 2750 RPM | 1950 RPM |
| Engine Bore Size | 85.1 mm | 100 mm |
| Engine Stroke Size | 88 mm | 76.4 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1655 kg |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1940 mm | 1840 mm |
| Vehicle Height | 1770 mm | 1300 mm |
| Wheelbase Size | 2940 mm | 2360 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 85 L | 67 L |
