2008 Acura RDX vs. 2005 BMW X5
To start off, 2008 Acura RDX is newer by 3 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, 2008 Acura RDX (240 HP @ 4500 RPM) has 25 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2008 Acura RDX should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 720 kg more than 2008 Acura RDX.
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 2008 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 2008 Acura RDX. 2008 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. 2008 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Acura RDX | 2005 BMW X5 | |
| Make | Acura | BMW |
| Model | RDX | X5 |
| Year Released | 2008 | 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 | 4500 RPM | 4000 RPM |
| Torque | 353 Nm | 520 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Compression Ratio | 8.8:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 2170 kg |
| Vehicle Length | 4600 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1660 mm | 1720 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 12.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 68 L | 93 L |
