2007 Acura RDX vs. 2005 BMW X5
To start off, 2007 Acura RDX is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 Acura RDX (240 HP @ 6000 RPM) has 25 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2007 Acura RDX should accelerate faster than 2005 BMW X5.
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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 167 more torque (in Nm) than 2007 Acura RDX. (353 Nm @ 4500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Acura RDX. 2007 Acura RDX has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Acura RDX | 2005 BMW X5 | |
| Make | Acura | BMW |
| Model | RDX | X5 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2926 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 215 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 353 Nm | 520 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 86.4 mm | 84 mm |
| Engine Stroke Size | 99.1 mm | 90 mm |
| Engine Compression Ratio | 8.8:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4600 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1660 mm | 1720 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
