2004 Audi A4 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 3,599 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (409 HP @ 7600 RPM) has 157 more horse power than 2004 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 125 kg more than 2009 Porsche 911.
Because 2009 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 2009 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2009 Porsche 911 (405 Nm @ 5500 RPM) has 75 more torque (in Nm) than 2004 Audi A4. (330 Nm @ 3250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2982 cc | 3599 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 252 HP | 409 HP |
| Engine RPM | 6500 RPM | 7600 RPM |
| Torque | 330 Nm | 405 Nm |
| Torque RPM | 3250 RPM | 5500 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 92.8 mm | 76.4 mm |
| Engine Compression Ratio | 12.5:1 | 11.7:1 |
| Top Speed | 245 km/hour | 310 km/hour |
| Acceleration 0-100mph | 7 seconds | 4.3 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1425 kg |
| Vehicle Length | 4590 mm | 4450 mm |
| Vehicle Width | 1780 mm | 1290 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2470 mm | 2360 mm |
| Fuel Consumption | 7 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.6 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
