2003 Audi A6 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 50 more horse power than 2003 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 65 kg more than 2006 BMW X5.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2003 Audi A6 (370 Nm @ 1400 RPM) has 70 more torque (in Nm) than 2006 BMW X5. (300 Nm @ 3500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2003 Audi A6 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 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 | 228 HP |
| Engine RPM | 3300 RPM | 3500 RPM |
| Torque | 370 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83.1 mm | 84 mm |
| Engine Stroke Size | 83.1 mm | 89.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 1630 kg |
| Vehicle Length | 4940 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2850 mm | 2830 mm |
| Fuel Consumption Overall | 7.1 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
