2007 Audi A6 vs. 2004 BMW 525
To start off, 2007 Audi A6 is newer by 3 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 2,967 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (229 HP @ 4000 RPM) has 40 more horse power than 2004 BMW 525. (189 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 61 kg more than 2004 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (450 Nm @ 1400 RPM) has 50 more torque (in Nm) than 2004 BMW 525. (400 Nm @ 2000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525.
Compare all specifications:
| 2007 Audi A6 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2007 | 2004 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 189 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 400 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 75.1 mm |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Top Speed | 242 km/hour | 222 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 8.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1825 kg | 1764 kg |
| Vehicle Length | 4940 mm | 4850 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1860 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
