2009 BMW 550 vs. 2010 BMW 650
To start off, 2010 BMW 650 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW 550. In addition, the cost of maintenance, including insurance, on 2009 BMW 550 would be higher. At 4,800 cc (8 cylinders), 2010 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 2 more horse power than 2010 BMW 650. (360 HP @ 6300 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2010 BMW 650. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 650 weights approximately 278 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 2 more torque (in Nm) than 2010 BMW 650. (488 Nm @ 3400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2010 BMW 650.
Compare all specifications:
| 2009 BMW 550 | 2010 BMW 650 | |
| Make | BMW | BMW |
| Model | 550 | 650 |
| Year Released | 2009 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4800 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 360 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 490 Nm | 488 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1940 kg |
| Vehicle Length | 4850 mm | 4831 mm |
| Vehicle Width | 1470 mm | 1854 mm |
| Vehicle Height | 1850 mm | 1374 mm |
| Wheelbase Size | 2890 mm | 2779 mm |
| Fuel Tank Capacity | 70 L | 70 L |
