2009 BMW 550 vs. 2007 BMW 630
To start off, 2009 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 630. In addition, the cost of maintenance, including insurance, on 2007 BMW 630 would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 107 more horse power than 2007 BMW 630. (255 HP @ 6600 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2007 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 630 weights approximately 98 kg more than 2009 BMW 550.
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, 2009 BMW 550 (490 Nm @ 3400 RPM) has 190 more torque (in Nm) than 2007 BMW 630. (300 Nm @ 2500 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 630.
Compare all specifications:
| 2009 BMW 550 | 2007 BMW 630 | |
| Make | BMW | BMW |
| Model | 550 | 630 |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2996 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 255 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 490 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1760 kg |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 1470 mm | 1860 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Consumption Overall | 11.1 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
