2005 Audi A6 vs. 2003 BMW X3
To start off, 2005 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,979 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 19 more horse power than 2003 BMW X3. (228 HP @ 5900 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2003 BMW X3.
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 (320 Nm @ 3250 RPM) has 20 more torque (in Nm) than 2003 BMW X3. (300 Nm @ 3500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2005 Audi A6 | 2003 BMW X3 | |
| Make | Audi | BMW |
| Model | A6 | X3 |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 228 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.1 mm |
| Engine Stroke Size | 92.8 mm | 89.6 mm |
| Engine Compression Ratio | 13.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4940 mm | 4570 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 67 L |
