2005 Audi A8 vs. 2012 Porsche 911
To start off, 2012 Porsche 911 is newer by 7 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 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (450 HP @ 6300 RPM) has 65 more horse power than 2012 Porsche 911. (385 HP @ 6500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2012 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 588 kg more than 2012 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (560 Nm) has 140 more torque (in Nm) than 2012 Porsche 911. (420 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2012 Porsche 911.
Compare all specifications:
| 2005 Audi A8 | 2012 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5998 cc | 3800 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 385 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 560 Nm | 420 Nm |
| Drive Type | 4WD | AWD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2145 kg | 1557 kg |
| Vehicle Length | 5200 mm | 4460 mm |
| Vehicle Width | 1900 mm | 1852 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2350 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
