2009 BMW 550 vs. 2008 Mercedes-Benz R
To start off, 2009 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz R would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 174 more horse power than 2008 Mercedes-Benz R. (188 HP @ 4000 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 533 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 50 more torque (in Nm) than 2008 Mercedes-Benz R. (440 Nm @ 1400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz R.
Compare all specifications:
| 2009 BMW 550 | 2008 Mercedes-Benz R | |
| Make | BMW | Mercedes-Benz |
| Model | 550 | R |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2987 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 188 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 490 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 1400 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 88.3 mm | 92 mm |
| Engine Compression Ratio | 10.5:1 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 9.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1662 kg | 2195 kg |
| Vehicle Length | 4850 mm | 4940 mm |
| Vehicle Width | 1470 mm | 1930 mm |
| Vehicle Height | 1850 mm | 1670 mm |
| Wheelbase Size | 2890 mm | 2990 mm |
| Fuel Consumption Overall | 11.1 L/100km | 9 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
