2005 Audi A8 vs. 2006 Porsche 911
To start off, 2006 Porsche 911 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 3,936 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (326 HP @ 6800 RPM) has 55 more horse power than 2005 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 35 kg more than 2006 Porsche 911.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 280 more torque (in Nm) than 2006 Porsche 911. (370 Nm @ 4250 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche 911.
Compare all specifications:
| 2005 Audi A8 | 2006 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3936 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 326 HP |
| Engine RPM | 3750 RPM | 6800 RPM |
| Torque | 650 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 4250 RPM |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 245 km/hour | 285 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.2 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 | 1770 kg | 1735 kg |
| Vehicle Length | 5190 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1320 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
