2006 Audi A8 vs. 2009 BMW 325
To start off, 2009 BMW 325 is newer by 3 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 5,998 cc, 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (445 HP @ 6200 RPM) has 251 more horse power than 2009 BMW 325. (194 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 399 kg more than 2009 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 325. 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 (580 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2009 BMW 325. (400 Nm @ 1300 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2006 Audi A8 | 2009 BMW 325 | |
| Make | Audi | BMW |
| Model | A8 | 325 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 2494 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 194 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 1300 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90.2 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 7.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 1596 kg |
| Vehicle Length | 5070 mm | 4590 mm |
| Vehicle Width | 1900 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
