2009 Audi A4 vs. 2007 Porsche 911
To start off, 2009 Audi A4 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 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (355 HP @ 6600 RPM) has 168 more horse power than 2009 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2009 Audi A4.
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 (401 Nm @ 4600 RPM) has 161 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 355 HP |
| Engine RPM | 5700 RPM | 6600 RPM |
| Torque | 240 Nm | 401 Nm |
| Torque RPM | 1950 RPM | 4600 RPM |
| Engine Bore Size | 81 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76 mm |
| Top Speed | 234 km/hour | 288 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1475 kg | 1475 kg |
| Vehicle Length | 4550 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
