2007 Acura RDX vs. 2005 BMW 318
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 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 would be higher. At 2,299 cc (4 cylinders), 2007 Acura RDX is equipped with a bigger engine. In terms of performance, 2007 Acura RDX (240 HP @ 6000 RPM) has 99 more horse power than 2005 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2007 Acura RDX should accelerate faster than 2005 BMW 318.
Because 2007 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 318. 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, 2007 Acura RDX (353 Nm @ 4500 RPM) has 152 more torque (in Nm) than 2005 BMW 318. (201 Nm @ 3750 RPM). This means 2007 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2007 Acura RDX | 2005 BMW 318 | |
| Make | Acura | BMW |
| Model | RDX | 318 |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 141 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 353 Nm | 201 Nm |
| Torque RPM | 4500 RPM | 3750 RPM |
| Engine Bore Size | 86.4 mm | 84 mm |
| Engine Stroke Size | 99.1 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4600 mm | 4490 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1660 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
