2009 Audi A4 vs. 2006 BMW X5
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (230 HP @ 4000 RPM) has 5 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 41 kg more than 2009 Audi A4.
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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 160 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2981 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 225 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 450 Nm | 290 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 89.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1794 kg | 1835 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1770 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 63 L | 92 L |
