2005 Audi A6 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (321 HP @ 6800 RPM) has 74 more horse power than 2005 Audi A6. (247 HP @ 1800 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 365 kg more than 2009 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (370 Nm @ 4250 RPM) has 20 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A6 | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2671 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 321 HP |
| Engine RPM | 1800 RPM | 6800 RPM |
| Torque | 350 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 4250 RPM |
| Engine Compression Ratio | 9.3:1 | 11.3:1 |
| Top Speed | 243 km/hour | 275 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1295 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1320 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
| Fuel Consumption Overall | 12.2 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
