2005 Audi A6 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 99 more horse power than 2007 BMW X3. (148 HP @ 6200 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 150 kg more than 2007 BMW X3. 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 A6 (350 Nm @ 1800 RPM) has 150 more torque (in Nm) than 2007 BMW X3. (200 Nm @ 3750 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2005 Audi A6 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A6 | X3 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 148 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 350 Nm | 200 Nm |
| Torque RPM | 1800 RPM | 3750 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1655 kg |
| Vehicle Length | 4800 mm | 4570 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1560 mm | 1680 mm |
| Wheelbase Size | 2770 mm | 2800 mm |
| Fuel Tank Capacity | 70 L | 67 L |
