2006 BMW 550 vs. 2007 Lexus RX
To start off, 2007 Lexus RX is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 550. In addition, the cost of maintenance, including insurance, on 2006 BMW 550 would be higher. At 4,801 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 88 more horse power than 2007 Lexus RX. (272 HP @ 6200 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 2007 Lexus RX.
Because 2007 Lexus RX is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 550. In wet, icy, snow, or gravel driving conditions, 2007 Lexus RX 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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 146 more torque (in Nm) than 2007 Lexus RX. (342 Nm @ 4700 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus RX.
Compare all specifications:
| 2006 BMW 550 | 2007 Lexus RX | |
| Make | BMW | Lexus |
| Model | 550 | RX |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4801 cc | 3456 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 272 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 488 Nm | 342 Nm |
| Torque RPM | 3400 RPM | 4700 RPM |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4860 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
