2004 Audi A6 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 4 more horse power than 2004 Audi A6. (221 HP @ 4000 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 30 kg more than 2004 Audi A6. 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, 2004 Audi A6 (450 Nm @ 1400 RPM) has 160 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2004 Audi A6 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2981 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 225 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 450 Nm | 290 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1835 kg |
| Vehicle Length | 4940 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1770 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption | 6.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 11.3 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 80 L | 92 L |
