2005 BMW 330 vs. 2007 BMW 550
To start off, 2007 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 330. In addition, the cost of maintenance, including insurance, on 2005 BMW 330 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 428 more horse power than 2005 BMW 330. (229 HP @ 5900 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2005 BMW 330. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 155 kg more than 2005 BMW 330. 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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 190 more torque (in Nm) than 2005 BMW 330. (300 Nm @ 3500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 330.
Compare all specifications:
| 2005 BMW 330 | 2007 BMW 550 | |
| Make | BMW | BMW |
| Model | 330 | 550 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4797 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 657 HP |
| Engine RPM | 5900 RPM | 3400 RPM |
| Torque | 300 Nm | 490 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1505 kg | 1660 kg |
| Vehicle Length | 4530 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2840 mm | 2890 mm |
| Fuel Consumption Overall | 9 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
