2009 BMW 550 vs. 2008 GMC Sierra
To start off, 2009 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 8 more horse power than 2008 GMC Sierra. (354 HP @ 5400 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 479 kg more than 2009 BMW 550.
Because 2009 BMW 550 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2008 GMC Sierra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 16 more torque (in Nm) than 2009 BMW 550. (490 Nm @ 3400 RPM). This means 2008 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 | 2008 GMC Sierra | |
| Make | BMW | GMC |
| Model | 550 | Sierra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 5999 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 354 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 490 Nm | 506 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1662 kg | 2141 kg |
| Vehicle Length | 4850 mm | 6580 mm |
| Vehicle Width | 1470 mm | 2440 mm |
| Vehicle Height | 1850 mm | 1940 mm |
| Wheelbase Size | 2890 mm | 4250 mm |
| Fuel Consumption Overall | 11.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 129 L |
