2009 Porsche 911 vs. 2013 Audi A8
To start off, 2013 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Porsche 911. In addition, the cost of maintenance, including insurance, on 2009 Porsche 911 would be higher. At 3,599 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP) has 145 more horse power than 2013 Audi A8. (328 HP). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2013 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A8 weights approximately 300 kg more than 2009 Porsche 911.
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 Porsche 911 (620 Nm) has 179 more torque (in Nm) than 2013 Audi A8. (441 Nm). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2013 Audi A8.
Compare all specifications:
| 2009 Porsche 911 | 2013 Audi A8 | |
| Make | Porsche | Audi |
| Model | 911 | A8 |
| Year Released | 2009 | 2013 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3599 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | W |
| Horse Power | 473 HP | 328 HP |
| Torque | 620 Nm | 441 Nm |
| Engine Bore Size | 100 mm | 84.5 mm |
| Engine Stroke Size | 76.4 mm | 89.5 mm |
| Engine Compression Ratio | 9.4:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 310 km/hour | 250 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1830 kg |
| Vehicle Length | 4440 mm | 5137 mm |
| Vehicle Width | 1300 mm | 2111 mm |
| Vehicle Height | 1840 mm | 1460 mm |
| Wheelbase Size | 2360 mm | 2992 mm |
| Fuel Consumption Highway | 10.2 L/100km | 7.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 11.7 L/100km |
