2009 Audi A8 vs. 2013 BMW X6
To start off, 2013 BMW X6 is newer by 4 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 4,395 cc (6 cylinders), 2013 BMW X6 is equipped with a bigger engine. In terms of performance, 2013 BMW X6 (296 HP @ 5800 RPM) has 24 more horse power than 2009 Audi A8. (272 HP @ 3750 RPM) In normal driving conditions, 2013 BMW X6 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X6 weights approximately 230 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.
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 A8 (650 Nm @ 1800 RPM) has 243 more torque (in Nm) than 2013 BMW X6. (407 Nm @ 5000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW X6.
Compare all specifications:
| 2009 Audi A8 | 2013 BMW X6 | |
| Make | Audi | BMW |
| Model | A8 | X6 |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 296 HP |
| Engine RPM | 3750 RPM | 5800 RPM |
| Torque | 650 Nm | 407 Nm |
| Torque RPM | 1800 RPM | 5000 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 89 mm |
| Engine Compression Ratio | 18.0:1 | 10.2 : 1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 2170 kg |
| Vehicle Length | 5190 mm | 4877 mm |
| Vehicle Width | 1900 mm | 2195 mm |
| Vehicle Height | 1460 mm | 1690 mm |
| Wheelbase Size | 3080 mm | 2933 mm |
| Fuel Tank Capacity | 90 L | 85 L |
