2006 BMW X5 vs. 2005 Porsche 911
To start off, 2006 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,595 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 4250 RPM) has 91 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 340 kg more than 2005 Porsche 911.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 80 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2006 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2981 cc | 3595 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 316 HP |
| Engine RPM | 5900 RPM | 4250 RPM |
| Torque | 290 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 89.6 mm | 82.8 mm |
| Engine Compression Ratio | 10.2:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1495 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1770 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2360 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11 L/100km |
| Fuel Tank Capacity | 92 L | 64 L |
