2009 Audi A4 vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 4,000 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (500 HP @ 8250 RPM) has 312 more horse power than 2009 Audi A4. (188 HP @ 5700 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 170 kg more than 2011 Porsche 911.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2011 Porsche 911 (459 Nm @ 5750 RPM) has 219 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2011 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 | 2011 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 4000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 188 HP | 500 HP |
| Engine RPM | 5700 RPM | 8250 RPM |
| Torque | 240 Nm | 459 Nm |
| Torque RPM | 1950 RPM | 5750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4491 mm |
| Vehicle Width | 1780 mm | 1852 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2355 mm |
| Fuel Tank Capacity | 66 L | 67 L |
