2009 Audi A8 vs. 2009 BMW X6
To start off, both 2009 Audi A8 and 2009 BMW X6 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 194 more horse power than 2009 Audi A8. (207 HP @ 5500 RPM) In normal driving conditions, 2009 BMW X6 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 575 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (610 Nm @ 1750 RPM) has 330 more torque (in Nm) than 2009 Audi A8. (280 Nm @ 3000 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2009 BMW X6 | |
| Make | Audi | BMW |
| Model | A8 | X6 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2772 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 207 HP | 401 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 280 Nm | 610 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 82.4 mm | 88.3 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8 seconds | 5.4 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1690 kg | 2265 kg |
| Vehicle Length | 5070 mm | 4880 mm |
| Vehicle Width | 1900 mm | 1990 mm |
| Vehicle Height | 1450 mm | 1700 mm |
| Wheelbase Size | 2950 mm | 2940 mm |
| Fuel Consumption Overall | 8.3 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
