2009 Audi A8 vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (330 HP @ 6500 RPM) has 26 more horse power than 2011 BMW X5. (304 HP @ 440 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2011 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 275 kg more than 2009 Audi A8.
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, 2011 BMW X5 (600 Nm @ 1500 RPM) has 170 more torque (in Nm) than 2009 Audi A8. (430 Nm @ 3500 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2011 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 304 HP |
| Engine RPM | 6500 RPM | 440 RPM |
| Torque | 430 Nm | 600 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 237 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 2185 kg |
| Vehicle Length | 5190 mm | 4857 mm |
| Vehicle Width | 1900 mm | 1933 mm |
| Vehicle Height | 1460 mm | 1776 mm |
| Wheelbase Size | 3080 mm | 2934 mm |
| Fuel Consumption Overall | 11.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
