2007 Audi A8 vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,400 cc (8 cylinders), 2012 BMW X5 is equipped with a bigger engine. In terms of performance, 2012 BMW X5 (400 HP @ 5500 RPM) has 124 more horse power than 2007 Audi A8. (276 HP @ 6000 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 664 kg more than 2007 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, 2012 BMW X5 (609 Nm @ 1750 RPM) has 249 more torque (in Nm) than 2007 Audi A8. (360 Nm @ 3750 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2012 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 400 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 360 Nm | 609 Nm |
| Torque RPM | 3750 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1776 kg | 2440 kg |
| Vehicle Length | 5060 mm | 4854 mm |
| Vehicle Width | 1900 mm | 1933 mm |
| Vehicle Height | 1450 mm | 1775 mm |
| Wheelbase Size | 2950 mm | 2933 mm |
| Fuel Consumption | 8.6 L/100km | 11.8 L/100km |
| Fuel Consumption City | 17.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
