2009 BMW X5 vs. 2012 Audi A8
To start off, 2012 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW X5. In addition, the cost of maintenance, including insurance, on 2009 BMW X5 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2012 Audi A8 (372 HP @ 6800 RPM) has 22 more horse power than 2009 BMW X5. (350 HP @ 6300 RPM) In normal driving conditions, 2012 Audi A8 should accelerate faster than 2009 BMW X5.
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 X5 (475 Nm @ 3400 RPM) has 31 more torque (in Nm) than 2012 Audi A8. (444 Nm @ 3500 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2012 Audi A8.
Compare all specifications:
| 2009 BMW X5 | 2012 Audi A8 | |
| Make | BMW | Audi |
| Model | X5 | A8 |
| Year Released | 2009 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 372 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 475 Nm | 444 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4860 mm | 5136 mm |
| Vehicle Width | 1940 mm | 1948 mm |
| Vehicle Height | 1770 mm | 1461 mm |
| Wheelbase Size | 2940 mm | 2992 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.4 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 85 L | 90 L |
