2009 BMW 550 vs. 2008 Infiniti M
To start off, 2009 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti M. In addition, the cost of maintenance, including insurance, on 2008 Infiniti M 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 87 more horse power than 2008 Infiniti M. (275 HP @ 6200 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2008 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 175 kg more than 2009 BMW 550.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti M 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, 2009 BMW 550 (490 Nm @ 3400 RPM) has 127 more torque (in Nm) than 2008 Infiniti M. (363 Nm @ 4800 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti M.
Compare all specifications:
| 2009 BMW 550 | 2008 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 550 | M |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 3498 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 275 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 490 Nm | 363 Nm |
| Torque RPM | 3400 RPM | 4800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| 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 | 1662 kg | 1837 kg |
| Vehicle Length | 4850 mm | 4900 mm |
| Vehicle Width | 1470 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1520 mm |
| Wheelbase Size | 2890 mm | 2910 mm |
| Fuel Consumption Overall | 11.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
