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 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 82 more horse power than 2005 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2005 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, 2005 Audi A6 (370 Nm @ 1500 RPM) has 65 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2007 BMW X3 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
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 | 2393 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 260 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 370 Nm | 305 Nm |
| Torque RPM | 1500 RPM | 2750 RPM |
| Engine Bore Size | 78.3 mm | 85.1 mm |
| Engine Stroke Size | 86.4 mm | 87.9 mm |
| Engine Compression Ratio | 19.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 209 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 5 doors |
