2009 Acura RDX vs. 2008 BMW X5
To start off, 2009 Acura RDX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,797 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (355 HP @ 6200 RPM) has 118 more horse power than 2009 Acura RDX. (237 HP @ 6000 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 416 kg more than 2009 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 BMW X5 (490 Nm @ 3600 RPM) has 230 more torque (in Nm) than 2009 Acura RDX. (260 Nm @ 4500 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RDX.
Compare all specifications:
| 2009 Acura RDX | 2008 BMW X5 | |
| Make | Acura | BMW |
| Model | RDX | X5 |
| Year Released | 2009 | 2008 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 4797 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 355 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 260 Nm | 490 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Compression Ratio | 8.8:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 2200 kg |
| Vehicle Length | 4600 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1660 mm | 1710 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 68 L | 93 L |
