2008 BMW X3 vs. 2003 Porsche 911
To start off, 2008 BMW X3 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (340 HP @ 6800 RPM) has 80 more horse power than 2008 BMW X3. (260 HP @ 6600 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 135 kg more than 2003 Porsche 911.
Because 2008 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2008 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, 2003 Porsche 911 (370 Nm @ 4800 RPM) has 65 more torque (in Nm) than 2008 BMW X3. (305 Nm @ 2750 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3.
Compare all specifications:
| 2008 BMW X3 | 2003 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X3 | 911 |
| Year Released | 2008 | 2003 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2996 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 340 HP |
| Engine RPM | 6600 RPM | 6800 RPM |
| Torque | 305 Nm | 370 Nm |
| Torque RPM | 2750 RPM | 4800 RPM |
| Engine Compression Ratio | 10.7:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1515 kg | 1380 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1680 mm | 1300 mm |
| Wheelbase Size | 2800 mm | 2360 mm |
| Fuel Consumption Highway | 10.2 L/100km | 8.3 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.5 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 67 L | 64 L |
