2004 Audi A8 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 5 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 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 170 more horse power than 2004 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 60 kg more than 2004 Audi A8. 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 2009 BMW M5. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 70 more torque (in Nm) than 2004 Audi A8. (450 Nm @ 3500 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2009 BMW M5 | |
| Make | Audi | BMW |
| Model | A8 | M5 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 500 HP |
| Engine RPM | 6500 RPM | 7750 RPM |
| Torque | 450 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 75.2 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1776 kg | 1836 kg |
| Vehicle Length | 5060 mm | 4860 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1480 mm |
| Wheelbase Size | 2950 mm | 2900 mm |
| Fuel Consumption Overall | 11.9 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
