2004 Porsche 911 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6000 RPM) has 93 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM). In normal driving conditions, 2004 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 268 kg more than 2004 Porsche 911.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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, 2009 Audi A4 (450 Nm) has 80 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2004 Porsche 911 | 2009 Audi A4 | |
| Make | Porsche | Audi |
| Model | 911 | A4 |
| Year Released | 2004 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 222 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 370 Nm | 450 Nm |
| Engine Bore Size | 96 mm | 83 mm |
| Engine Stroke Size | 83 mm | 91.4 mm |
| Engine Compression Ratio | 11.3:1 | 17.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1342 kg | 1610 kg |
| Vehicle Length | 4440 mm | 4550 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2360 mm | 2660 mm |
| Fuel Consumption Overall | 11.4 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
