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 (444 HP @ 6500 RPM) has 36 more horse power than 2012 Porsche 911. (408 HP @ 7300 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. 2012 Porsche 911 weights approximately 520 kg more than 2005 Audi A8.
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 @ 4000 RPM) has 140 more torque (in Nm) than 2012 Porsche 911. (420 Nm @ 4200 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2012 Porsche 911. 2005 Audi A8 has automatic transmission and 2012 Porsche 911 has manual transmission. 2012 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2012 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5998 cc | 3800 cc |
| Engine Type | W | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 408 HP |
| Engine RPM | 6500 RPM | 7300 RPM |
| Torque | 560 Nm | 420 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 900 kg | 1420 kg |
| Vehicle Length | 5190 mm | 4460 mm |
| Vehicle Width | 1900 mm | 1852 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2350 mm |
| Fuel Tank Capacity | 90 L | 67 L |
