2008 Audi A8 vs. 2005 BMW 320
To start off, 2008 Audi A8 is newer by 3 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 2,967 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (230 HP @ 4000 RPM) has 82 more horse power than 2005 BMW 320. (148 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 144 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 2008 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, 2008 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2005 BMW 320. (330 Nm @ 2000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2008 Audi A8 | 2005 BMW 320 | |
| Make | Audi | BMW |
| Model | A8 | 320 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 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 | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 238 km/hour | 211 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 9.7 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 | 1830 kg | 1686 kg |
| Vehicle Length | 5190 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
