2003 Audi A6 vs. 2006 BMW 525
To start off, 2006 BMW 525 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 2,671 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (226 HP @ 5800 RPM) has 51 more horse power than 2006 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2006 BMW 525.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 525. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, 2006 BMW 525 (400 Nm @ 2000 RPM) has 90 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 310 Nm | 400 Nm |
| Torque RPM | 1700 RPM | 2000 RPM |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Top Speed | 245 km/hour | 225 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 8.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Consumption Overall | 11.6 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
