2009 Audi A8 vs. 2005 Porsche 911
To start off, 2009 Audi A8 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 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (377 HP @ 7400 RPM) has 55 more horse power than 2009 Audi A8. (322 HP @ 3750 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 490 kg more than 2005 Porsche 911.
Because 2009 Audi A8 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 A8 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 A8 (650 Nm @ 1600 RPM) has 265 more torque (in Nm) than 2005 Porsche 911. (385 Nm @ 5000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2009 Audi A8 has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Audi A8 | 2005 Porsche 911 | |
Make | Audi | Porsche |
Model | A8 | 911 |
Year Released | 2009 | 2005 |
Body Type | Sedan | Coupe |
Engine Position | Front | Rear |
Engine Size | 4134 cc | 3600 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | boxer |
Horse Power | 322 HP | 377 HP |
Engine RPM | 3750 RPM | 7400 RPM |
Torque | 650 Nm | 385 Nm |
Torque RPM | 1600 RPM | 5000 RPM |
Engine Bore Size | 83 mm | 100 mm |
Engine Stroke Size | 95.5 mm | 76.4 mm |
Engine Compression Ratio | 16.5:1 | 11.7:1 |
Fuel Type | Diesel | Gasoline - Premium |
Top Speed | 250 km/hour | 306 km/hour |
Acceleration 0-100mph | 5.9 seconds | 4.5 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1945 kg | 1455 kg |
Vehicle Length | 5070 mm | 4440 mm |
Vehicle Width | 1900 mm | 1780 mm |
Vehicle Height | 1450 mm | 1280 mm |
Wheelbase Size | 2950 mm | 2360 mm |
Fuel Consumption Overall | 9.4 L/100km | 13 L/100km |
Fuel Tank Capacity | 90 L | 89 L |