2005 Audi A6 vs. 2003 BMW X5
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 X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (338 HP @ 6100 RPM) has 91 more horse power than 2005 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2003 BMW X5 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, 2003 BMW X5 (400 Nm @ 3700 RPM) has 80 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3250 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2003 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 338 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 320 Nm | 400 Nm |
| Torque RPM | 3250 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 13.0:1 | 10.0:1 |
| 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 | 4670 mm |
| Vehicle Width | 1870 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 93 L |
