2004 Audi A8 vs. 2005 BMW 320
To start off, 2005 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 2,966 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (230 HP @ 4000 RPM) has 81 more horse power than 2005 BMW 320. (149 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 250 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 2004 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, 2004 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, 2004 Audi A8 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2005 BMW 320. (330 Nm @ 2000 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2004 Audi A8 | 2005 BMW 320 | |
| Make | Audi | BMW |
| Model | A8 | 320 |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 149 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 7.8 seconds | 9.2 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1580 kg |
| Vehicle Length | 5060 mm | 4480 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2730 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
