2009 Audi S6 vs. 2008 Porsche 911
To start off, 2009 Audi S6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche 911. In addition, the cost of maintenance, including insurance, on 2008 Porsche 911 would be higher. At 4,172 cc (8 cylinders), 2009 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (473 HP @ 6000 RPM) has 138 more horse power than 2009 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2009 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S6 weights approximately 160 kg more than 2008 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, 2008 Porsche 911 (620 Nm @ 1950 RPM) has 200 more torque (in Nm) than 2009 Audi S6. (420 Nm @ 3400 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S6.
Compare all specifications:
| 2009 Audi S6 | 2008 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S6 | 911 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 473 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 420 Nm | 620 Nm |
| Torque RPM | 3400 RPM | 1950 RPM |
| Engine Bore Size | 84.6 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.8 seconds | 4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1655 kg |
| Vehicle Length | 4840 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
| Fuel Consumption Overall | 14.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 82 L | 67 L |
