2006 Audi A6 vs. 2004 BMW 525
To start off, 2006 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 3,130 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (255 HP @ 6500 RPM) has 71 more horse power than 2004 BMW 525. (184 HP @ 7400 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 40 kg more than 2006 Audi A6.
Because 2004 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 Audi A6 (330 Nm) has 93 more torque (in Nm) than 2004 BMW 525. (237 Nm). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525.
Compare all specifications:
| 2006 Audi A6 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 184 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 330 Nm | 237 Nm |
| Engine Compression Ratio | 13.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1550 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Highway | 8.7 L/100km | 8.4 L/100km |
| Fuel Consumption City | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
