2006 Audi A8 vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 3,697 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (276 HP @ 6000 RPM) has 16 more horse power than 2007 BMW X5. (260 HP @ 6600 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 180 kg more than 2006 Audi A8.
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, 2006 Audi A8 (360 Nm @ 3750 RPM) has 55 more torque (in Nm) than 2007 BMW X5. (305 Nm @ 2750 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2006 Audi A8 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 260 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 360 Nm | 305 Nm |
| Torque RPM | 3750 RPM | 2750 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 204 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1950 kg |
| Vehicle Length | 5060 mm | 4860 mm |
| Vehicle Width | 1900 mm | 1940 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2950 mm | 2940 mm |
| Fuel Tank Capacity | 90 L | 70 L |
