2009 Audi A4 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 4 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 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (345 HP @ 7400 RPM) has 158 more horse power than 2009 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 2013 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 70 kg more than 2013 Porsche 911.
Because 2013 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Porsche 911 (390 Nm @ 5600 RPM) has 150 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2013 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 | 2013 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 2013 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 345 HP |
| Engine RPM | 5700 RPM | 7400 RPM |
| Torque | 240 Nm | 390 Nm |
| Torque RPM | 1950 RPM | 5600 RPM |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Engine Compression Ratio | 9.0:1 | 12.5 : 1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 236 km/hour | 289 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 4.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1380 kg |
| Vehicle Length | 4550 mm | 4491 mm |
| Vehicle Width | 1780 mm | 1978 mm |
| Vehicle Height | 1430 mm | 1303 mm |
| Wheelbase Size | 2660 mm | 2450 mm |
