2004 Audi A6 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 3 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 2,393 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (178 HP @ 4000 RPM) has 29 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 10 kg more than 2004 Audi A6.
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 (370 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2007 BMW X3. (330 Nm @ 2000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2004 Audi A6 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A6 | X3 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 149 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 330 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 78.3 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 19.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 221 km/hour | 215 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 9.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1740 kg |
| Vehicle Length | 4800 mm | 4570 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Overall | 8.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
