2005 Audi S6 vs. 2008 BMW 525
To start off, 2008 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 240 kg more than 2008 BMW 525.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 525. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 175 more torque (in Nm) than 2008 BMW 525. (245 Nm @ 3500 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2005 Audi S6 | 2008 BMW 525 | |
| Make | Audi | BMW |
| Model | S6 | 525 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2494 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 0 HP |
| Torque | 420 Nm | 245 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 8.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1575 kg |
| Vehicle Length | 4840 mm | 4780 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
