2009 Porsche 911 vs. 2011 Audi A8
To start off, 2011 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Porsche 911. In addition, the cost of maintenance, including insurance, on 2009 Porsche 911 would be higher. At 4,134 cc (8 cylinders), 2011 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 5 more horse power than 2011 Audi A8. (345 HP @ 4000 RPM). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2011 Audi A8.
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, 2011 Audi A8 (800 Nm @ 1750 RPM) has 400 more torque (in Nm) than 2009 Porsche 911. (400 Nm @ 4600 RPM). This means 2011 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911.
Compare all specifications:
2009 Porsche 911 | 2011 Audi A8 | |
Make | Porsche | Audi |
Model | 911 | A8 |
Year Released | 2009 | 2011 |
Body Type | Coupe | Sedan |
Engine Position | Rear | Front |
Engine Size | 3823 cc | 4134 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | boxer | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 350 HP | 345 HP |
Engine RPM | 6600 RPM | 4000 RPM |
Torque | 400 Nm | 800 Nm |
Torque RPM | 4600 RPM | 1750 RPM |
Fuel Type | Gasoline | Diesel |
Top Speed | 280 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.4 seconds | 5.5 seconds |
Drive Type | 4WD | AWD |
Transmission Type | Automatic | 8-speed shiftable automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 4430 mm | 5136 mm |
Vehicle Width | 1310 mm | 1948 mm |
Vehicle Height | 1860 mm | 1461 mm |
Wheelbase Size | 2360 mm | 2992 mm |
Fuel Tank Capacity | 67 L | 90 L |