2003 Audi A8 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 2,974 cc (6 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (216 HP @ 6300 RPM) has 1 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 105 kg more than 2007 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 BMW 525 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 A8 (300 Nm @ 3200 RPM) has 50 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2750 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2003 Audi A8 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A8 | 525 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 216 HP | 215 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 300 Nm | 250 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Engine Bore Size | 82.5 mm | 78.8 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Top Speed | 242 km/hour | 237 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1565 kg |
| Vehicle Length | 5060 mm | 4850 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption | 7.2 L/100km | 7.2 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
