2009 Audi A5 vs. 2007 Porsche 911
To start off, 2009 Audi A5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (321 HP @ 6300 RPM) has 60 more horse power than 2009 Audi A5. (261 HP @ 6500 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 131 kg more than 2007 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 40 more torque (in Nm) than 2009 Audi A5. (330 Nm @ 3000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A5 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3197 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 321 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 285 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 5.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1405 kg |
| Vehicle Length | 4630 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 9.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
