2009 Audi A8 vs. 2005 BMW 320
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 2,966 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (229 HP @ 4000 RPM) has 61 more horse power than 2005 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 360 kg more than 2005 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 320. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (450 Nm @ 1400 RPM) has 240 more torque (in Nm) than 2005 BMW 320. (210 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2009 Audi A8 | 2005 BMW 320 | |
| Make | Audi | BMW |
| Model | A8 | 320 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 168 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 450 Nm | 210 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 243 km/hour | 221 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 8.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1470 kg |
| Vehicle Height | 1900 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2790 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
