2007 Audi RS4 vs. 2006 BMW X3
To start off, 2007 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW X3. In addition, the cost of maintenance, including insurance, on 2006 BMW X3 would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (420 HP @ 8205 RPM) has 195 more horse power than 2006 BMW X3. (225 HP @ 5900 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 125 kg more than 2007 Audi RS4.
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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 139 more torque (in Nm) than 2006 BMW X3. (291 Nm @ 3500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2007 Audi RS4 | 2006 BMW X3 | |
| Make | Audi | BMW |
| Model | RS4 | X3 |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2983 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 225 HP |
| Engine RPM | 8205 RPM | 5900 RPM |
| Torque | 430 Nm | 291 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1700 kg | 1825 kg |
| Vehicle Width | 1820 mm | 1860 mm |
