2007 BMW X3 vs. 2003 Porsche Boxster
To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2003 Porsche Boxster would be higher. At 2,991 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 Porsche Boxster (225 HP @ 6300 RPM) has 24 more horse power than 2007 BMW X3. (201 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche Boxster should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 575 kg more than 2003 Porsche Boxster.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Porsche Boxster. 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, 2007 BMW X3 (410 Nm @ 1500 RPM) has 149 more torque (in Nm) than 2003 Porsche Boxster. (261 Nm @ 4700 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Boxster.
Compare all specifications:
| 2007 BMW X3 | 2003 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | X3 | Boxster |
| Year Released | 2007 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2991 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 225 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 410 Nm | 261 Nm |
| Torque RPM | 1500 RPM | 4700 RPM |
| Engine Bore Size | 84 mm | 85.5 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1925 kg | 1350 kg |
| Vehicle Length | 4570 mm | 4320 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1680 mm | 1300 mm |
| Wheelbase Size | 2800 mm | 2360 mm |
