2008 BMW 550 vs. 2005 Buick Rainier
To start off, 2008 BMW 550 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2005 Buick Rainier would be higher. At 4,799 cc, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 88 more horse power than 2005 Buick Rainier. (272 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2005 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 435 kg more than 2008 BMW 550.
Because 2005 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 550. In wet, icy, snow, or gravel driving conditions, 2005 Buick Rainier will offer significantly more control. 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 BMW 550 (490 Nm @ 3400 RPM) has 117 more torque (in Nm) than 2005 Buick Rainier. (373 Nm @ 3600 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Rainier.
Compare all specifications:
| 2008 BMW 550 | 2005 Buick Rainier | |
| Make | BMW | Buick |
| Model | 550 | Rainier |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4195 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 272 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 373 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 88.3 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1660 kg | 2095 kg |
| Vehicle Length | 4870 mm | 4920 mm |
| Vehicle Height | 1470 mm | 1900 mm |
| Wheelbase Size | 2890 mm | 2780 mm |
| Fuel Consumption Overall | 11.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 83 L |
