2006 Audi A8 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 4,179 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (335 HP @ 6500 RPM) has 120 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 225 kg more than 2006 Audi A8.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 180 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2006 Audi A8 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A8 | 525 |
| Year Released | 2006 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 215 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 430 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 204 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1500 kg |
| Vehicle Length | 5200 mm | 4850 mm |
| Vehicle Width | 1900 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 3080 mm | 2890 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
