2009 Audi A6 vs. 2005 Porsche 911
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,200 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (355 HP @ 6800 RPM) has 5 more horse power than 2009 Audi A6. (350 HP @ 6800 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 A6 (440 Nm @ 3500 RPM) has 55 more torque (in Nm) than 2005 Porsche 911. (385 Nm @ 4600 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2009 Audi A6 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A6 | 911 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4200 cc | 3818 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 355 HP |
| Engine RPM | 6800 RPM | 6800 RPM |
| Torque | 440 Nm | 385 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4934 mm | 4430 mm |
| Vehicle Width | 1862 mm | 1810 mm |
| Vehicle Height | 1519 mm | 1310 mm |
| Wheelbase Size | 2833 mm | 2360 mm |
