2009 Audi A8 vs. 2013 BMW X5
To start off, 2013 BMW X5 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 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 183 more horse power than 2013 BMW X5. (261 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2013 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 weights approximately 415 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, 2013 BMW X5 (576 Nm @ 2250 RPM) has 36 more torque (in Nm) than 2009 Audi A8. (540 Nm @ 3500 RPM). This means 2013 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 | 2013 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2993 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 261 HP |
| Engine RPM | 7000 RPM | 4200 RPM |
| Torque | 540 Nm | 576 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 12.5:1 | 17 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 2355 kg |
| Vehicle Length | 5070 mm | 4857 mm |
| Vehicle Width | 1900 mm | 2197 mm |
| Vehicle Height | 1430 mm | 1776 mm |
| Wheelbase Size | 2950 mm | 2933 mm |
| Fuel Consumption Highway | 12.4 L/100km | 7.6 L/100km |
| Fuel Consumption City | 18.2 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
