2007 Acura RDX vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Acura RDX. In addition, the cost of maintenance, including insurance, on 2007 Acura RDX 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 122 more horse power than 2007 Acura RDX. (240 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2007 Acura RDX.
Because 2007 Acura RDX 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, 2007 Acura RDX 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 137 more torque (in Nm) than 2007 Acura RDX. (353 Nm @ 4500 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 Acura RDX.
Compare all specifications:
2007 Acura RDX | 2009 BMW 550 | |
Make | Acura | BMW |
Model | RDX | 550 |
Year Released | 2007 | 2009 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 2299 cc | 4799 cc |
Horse Power | 240 HP | 362 HP |
Engine RPM | 6000 RPM | 6300 RPM |
Torque | 353 Nm | 490 Nm |
Torque RPM | 4500 RPM | 3400 RPM |
Engine Bore Size | 86.4 mm | 93.1 mm |
Engine Stroke Size | 99.1 mm | 88.3 mm |
Engine Compression Ratio | 8.8:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Doors | 5 doors | 4 doors |
Vehicle Length | 4600 mm | 4850 mm |
Vehicle Width | 1880 mm | 1470 mm |
Vehicle Height | 1660 mm | 1850 mm |
Wheelbase Size | 2660 mm | 2890 mm |