2009 Audi A6 vs. 2007 BMW X3
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 2,496 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (179 HP @ 4000 RPM) has 30 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM). In normal driving conditions, 2009 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 125 kg more than 2009 Audi A6.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 will offer significantly more control. 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 Audi A6 (370 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2007 BMW X3. (330 Nm @ 2000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2009 Audi A6 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A6 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 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 | 219 km/hour | 215 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1740 kg |
| Vehicle Length | 4800 mm | 4570 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2800 mm |
| Fuel Consumption Overall | 8.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
