2007 BMW X5 vs. 2005 Porsche 911
To start off, 2007 BMW X5 is newer by 2 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 3,818 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (355 HP @ 6800 RPM) has 154 more horse power than 2007 BMW X5. (201 HP @ 4000 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 614 kg more than 2005 Porsche 911.
Because 2007 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, 2007 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, 2007 BMW X5 (480 Nm @ 2000 RPM) has 95 more torque (in Nm) than 2005 Porsche 911. (385 Nm @ 4600 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2007 BMW X5 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3818 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 355 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 480 Nm | 385 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 99 mm |
| Engine Stroke Size | 88 mm | 83 mm |
| Engine Compression Ratio | 18.0:1 | 11.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 293 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2114 kg | 1500 kg |
| Vehicle Length | 4670 mm | 4430 mm |
| Vehicle Width | 1720 mm | 1810 mm |
| Vehicle Height | 1880 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2360 mm |
| Fuel Consumption Overall | 11 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 85 L | 64 L |
