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 4,172 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 6800 RPM) has 20 more horse power than 2009 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 200 kg more than 2005 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 Audi A6 (400 Nm @ 3000 RPM) has 30 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 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 | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 296 HP | 316 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 400 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 84.5 mm | 96.1 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Acceleration 0-100mph | 6.9 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1550 kg |
| Vehicle Length | 4840 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
| Fuel Consumption Overall | 13 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 82 L | 64 L |
