2009 BMW 550 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 2 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 6,200 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (403 HP @ 5700 RPM) has 41 more horse power than 2009 BMW 550. (362 HP @ 6300 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2009 BMW 550. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 690 kg more than 2009 BMW 550. 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, 2011 GMC Sierra (565 Nm @ 4300 RPM) has 75 more torque (in Nm) than 2009 BMW 550. (490 Nm @ 3400 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 550.
Compare all specifications:
| 2009 BMW 550 | 2011 GMC Sierra | |
| Make | BMW | GMC |
| Model | 550 | Sierra |
| Year Released | 2009 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 6200 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 403 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 490 Nm | 565 Nm |
| Torque RPM | 3400 RPM | 4300 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Vehicle Weight | 1662 kg | 2352 kg |
| Vehicle Length | 4850 mm | 5839 mm |
| Vehicle Width | 1470 mm | 2032 mm |
| Vehicle Height | 1850 mm | 1875 mm |
| Wheelbase Size | 2890 mm | 3645 mm |
| Fuel Tank Capacity | 70 L | 98 L |
