2005 BMW X5 vs. 1999 Porsche Boxster
To start off, 2005 BMW X5 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 1999 Porsche Boxster would be higher. At 3,179 cc (6 cylinders), 1999 Porsche Boxster is equipped with a bigger engine. In terms of performance, 1999 Porsche Boxster (249 HP @ 6250 RPM) has 34 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1999 Porsche Boxster should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 910 kg more than 1999 Porsche Boxster.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 215 more torque (in Nm) than 1999 Porsche Boxster. (305 Nm @ 4500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche Boxster.
Compare all specifications:
| 2005 BMW X5 | 1999 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | X5 | Boxster |
| Year Released | 2005 | 1999 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2926 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 249 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 520 Nm | 305 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 93.1 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1260 kg |
| Vehicle Length | 4670 mm | 4320 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1720 mm | 1300 mm |
| Wheelbase Size | 2830 mm | 2360 mm |
