2007 BMW X3 vs. 2006 Porsche 911
To start off, 2007 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Porsche 911. In addition, the cost of maintenance, including insurance, on 2006 Porsche 911 would be higher. At 3,818 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (355 HP @ 6600 RPM) has 206 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 285 kg more than 2006 Porsche 911.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2006 Porsche 911 (400 Nm @ 4600 RPM) has 70 more torque (in Nm) than 2007 BMW X3. (330 Nm @ 2000 RPM). This means 2006 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2006 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X3 | 911 |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3818 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 355 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 330 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 100.1 mm |
| Engine Stroke Size | 90 mm | 76 mm |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1455 kg |
| Vehicle Length | 4570 mm | 4470 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Vehicle Height | 1860 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2360 mm |
| Fuel Consumption Overall | 6.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 67 L | 67 L |
