2005 Audi A8 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 3,697 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 6000 RPM) has 96 more horse power than 2007 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 18 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 2005 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, 2005 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2005 Audi A8. (360 Nm @ 3250 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8. 2005 Audi A8 has automatic transmission and 2007 BMW 525 has manual transmission. 2007 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | A8 | 525 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 271 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 360 Nm | 400 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 82.4 mm | 75.1 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1752 kg |
| Vehicle Length | 5060 mm | 4850 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Overall | 11.7 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
