2004 Audi A6 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,696 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 36 more horse power than 2004 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 60 kg more than 2007 BMW 525.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 BMW 525 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, 2004 Audi A6 (370 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525. 2007 BMW 525 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 215 HP |
| Engine RPM | 3300 RPM | 6500 RPM |
| Torque | 370 Nm | 250 Nm |
| Torque RPM | 1400 RPM | 2750 RPM |
| Engine Bore Size | 83 mm | 78.8 mm |
| Engine Stroke Size | 83.1 mm | 82 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 237 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 8.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1625 kg | 1565 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption | 5.2 L/100km | 7.2 L/100km |
| Fuel Consumption Overall | 6.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
