2005 Audi S6 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (350 HP @ 6300 RPM) has 15 more horse power than 2005 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2009 BMW X5 should accelerate faster than 2005 Audi S6.
Both vehicles are four wheel drive (4WD) - 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, 2009 BMW X5 (475 Nm @ 3400 RPM) has 55 more torque (in Nm) than 2005 Audi S6. (420 Nm @ 3400 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S6.
Compare all specifications:
| 2005 Audi S6 | 2009 BMW X5 | |
| Make | Audi | BMW |
| Model | S6 | X5 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 350 HP |
| Engine RPM | 7000 RPM | 6300 RPM |
| Torque | 420 Nm | 475 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Wheelbase Size | 2770 mm | 2940 mm |
| Fuel Tank Capacity | 82 L | 85 L |
