2006 Audi A8 vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 3,934 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 525 kg more than 2008 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2006 Audi A8 (650 Nm @ 1800 RPM) has 280 more torque (in Nm) than 2008 Porsche 911. (370 Nm @ 4250 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911. 2006 Audi A8 has automatic transmission and 2008 Porsche 911 has manual transmission. 2008 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2008 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3934 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 0 HP |
| Torque | 650 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 4250 RPM |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 95.5 mm | 82.8 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 280 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1415 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 | 8.1 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
