2008 Audi S6 vs. 2004 BMW 525
To start off, 2008 Audi S6 is newer by 4 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 5,204 cc (10 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (435 HP @ 6800 RPM) has 251 more horse power than 2004 BMW 525. (184 HP @ 7400 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 390 kg more than 2008 Audi S6.
Because 2008 Audi S6 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, 2008 Audi S6 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, 2008 Audi S6 (540 Nm) has 303 more torque (in Nm) than 2004 BMW 525. (237 Nm). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 525.
Compare all specifications:
| 2008 Audi S6 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | S6 | 525 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2491 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 184 HP |
| Engine RPM | 6800 RPM | 7400 RPM |
| Torque | 540 Nm | 237 Nm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1550 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1480 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Highway | 12.5 L/100km | 8.4 L/100km |
| Fuel Consumption City | 17 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 14.9 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
