2003 Audi A6 vs. 2004 BMW 525
To start off, 2004 BMW 525 is newer by 1 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 37 more horse power than 2004 BMW 525. (189 HP @ 6000 RPM). In normal driving conditions, 2003 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 3 kg more than 2003 Audi A6.
Because 2003 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, 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, 2003 Audi A6 (310 Nm @ 1700 RPM) has 65 more torque (in Nm) than 2004 BMW 525. (245 Nm @ 3500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525. 2004 BMW 525 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 189 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 310 Nm | 245 Nm |
| Torque RPM | 1700 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1665 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Highway | 8.8 L/100km | 7.9 L/100km |
| Fuel Consumption City | 16.6 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.6 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
