2005 Audi A8 vs. 2006 BMW M5
To start off, 2006 BMW M5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 165 more horse power than 2005 Audi A8. (335 HP @ 4000 RPM) In normal driving conditions, 2006 BMW M5 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 190 kg more than 2006 BMW M5.
Let's talk about torque, 2006 BMW M5 (519 Nm) has 89 more torque (in Nm) than 2005 Audi A8. (430 Nm). This means 2006 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 2006 BMW M5 | |
| Make | Audi | BMW |
| Model | A8 | M5 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 4998 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 500 HP |
| Engine RPM | 4000 RPM | 7750 RPM |
| Torque | 430 Nm | 519 Nm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1945 kg | 1755 kg |
| Vehicle Length | 5060 mm | 4860 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption | 9.8 L/100km | 13.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
