2007 Audi S8 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 S8. In addition, the cost of maintenance, including insurance, on 2007 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2012 BMW X5 (555 HP @ 6000 RPM) has 111 more horse power than 2007 Audi S8. (444 HP @ 7000 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 2007 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 495 kg more than 2007 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are all wheel drive (AWD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (677 Nm @ 1500 RPM) has 137 more torque (in Nm) than 2007 Audi S8. (540 Nm @ 3400 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S8.
Compare all specifications:
| 2007 Audi S8 | 2012 BMW X5 | |
| Make | Audi | BMW |
| Model | S8 | X5 |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4400 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 555 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 540 Nm | 677 Nm |
| Torque RPM | 3400 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 2435 kg |
| Vehicle Length | 5070 mm | 4851 mm |
| Vehicle Width | 1900 mm | 1994 mm |
| Vehicle Height | 1430 mm | 1763 mm |
| Wheelbase Size | 2950 mm | 2933 mm |
| Fuel Tank Capacity | 90 L | 85 L |
