2006 BMW 630 vs. 2003 Porsche Boxster
To start off, 2006 BMW 630 is newer by 3 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 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 29 more horse power than 2003 Porsche Boxster. (225 HP @ 6300 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 2003 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 410 kg more than 2003 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 630 (300 Nm @ 2500 RPM) has 39 more torque (in Nm) than 2003 Porsche Boxster. (261 Nm @ 4700 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Boxster.
Compare all specifications:
| 2006 BMW 630 | 2003 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | 630 | Boxster |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2996 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 225 HP |
| Engine RPM | 6600 RPM | 6300 RPM |
| Torque | 300 Nm | 261 Nm |
| Torque RPM | 2500 RPM | 4700 RPM |
| Engine Bore Size | 85 mm | 85.5 mm |
| Engine Stroke Size | 88 mm | 78 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1350 kg |
| Vehicle Length | 4830 mm | 4320 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2360 mm |
