2008 Audi S8 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,495 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (444 HP @ 7000 RPM) has 229 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S8 weights approximately 415 kg more than 2009 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 525. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 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 S8 (540 Nm @ 3500 RPM) has 290 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 2008 Audi S8 | 2009 BMW 525 | |
| Make | Audi | BMW |
| Model | S8 | 525 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 5495 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 215 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 540 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.4 seconds | 7.9 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1525 kg |
| Vehicle Width | 1900 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
