2005 BMW X3 vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 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 260 more horse power than 2005 BMW X3. (184 HP @ 4000 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 335 kg more than 2008 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, 2008 Porsche 911 (620 Nm @ 3500 RPM) has 200 more torque (in Nm) than 2005 BMW X3. (420 Nm @ 1500 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2008 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X3 | 911 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2977 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 444 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 420 Nm | 620 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 307 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 4.2 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1925 kg | 1590 kg |
| Vehicle Length | 4570 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1680 mm | 1300 mm |
| Wheelbase Size | 2830 mm | 2360 mm |
| Fuel Consumption Overall | 8.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 67 L | 64 L |
