2005 Audi RS6 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,163 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 6300 RPM) has 219 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 75 kg more than 2006 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 270 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2005 Audi RS6 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | RS6 | X5 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2981 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 225 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 560 Nm | 290 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1835 kg |
| Vehicle Length | 4800 mm | 4670 mm |
| Vehicle Width | 1820 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1770 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 14.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 92 L |
