2009 Audi A8 vs. 2012 Porsche 911
To start off, 2012 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2012 Porsche 911 (408 HP @ 7300 RPM) has 78 more horse power than 2009 Audi A8. (330 HP @ 6500 RPM) In normal driving conditions, 2012 Porsche 911 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 490 kg more than 2012 Porsche 911.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2012 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (430 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2012 Porsche 911. (420 Nm @ 4200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2012 Porsche 911. 2009 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. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2012 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 408 HP |
| Engine RPM | 6500 RPM | 7300 RPM |
| Torque | 430 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1420 kg |
| Vehicle Length | 5190 mm | 4435 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 |
