1999 Porsche Boxster vs. 2005 BMW X5
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. 2005 BMW X5 has automatic transmission and 1999 Porsche Boxster has manual transmission. 1999 Porsche Boxster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Porsche Boxster | 2005 BMW X5 | |
| Make | Porsche | BMW |
| Model | Boxster | X5 |
| Year Released | 1999 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Middle | Front |
| Engine Size | 3179 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 249 HP | 215 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 305 Nm | 520 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 78 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1260 kg | 2170 kg |
| Vehicle Length | 4320 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1300 mm | 1720 mm |
| Wheelbase Size | 2360 mm | 2830 mm |
