2008 BMW X5 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 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 123 more horse power than 2008 BMW X5. (350 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 129 kg more than 2009 Porsche 911.
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, 2009 Porsche 911 (620 Nm @ 1950 RPM) has 145 more torque (in Nm) than 2008 BMW X5. (475 Nm @ 3400 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2009 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4799 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 473 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 475 Nm | 620 Nm |
| Torque RPM | 3400 RPM | 1950 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 242 km/hour | 305 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 3.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1554 kg | 1425 kg |
| Vehicle Length | 4860 mm | 4460 mm |
| Vehicle Width | 1940 mm | 1310 mm |
| Vehicle Height | 1740 mm | 1860 mm |
| Wheelbase Size | 2940 mm | 2360 mm |
| Fuel Consumption Overall | 12.5 L/100km | 13.7 L/100km |
| Fuel Tank Capacity | 85 L | 67 L |
