2005 Audi A4 vs. 2004 Porsche 911
To start off, 2005 Audi A4 is newer by 1 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 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (317 HP @ 6000 RPM) has 140 more horse power than 2005 Audi A4. (177 HP @ 1500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 108 kg more than 2004 Porsche 911.
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, both vehicles can yield 370 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Audi A4 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2393 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 177 HP | 317 HP |
| Engine RPM | 1500 RPM | 6000 RPM |
| Torque | 370 Nm | 370 Nm |
| Engine Bore Size | 78.3 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 18.5:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1482 kg |
| Vehicle Length | 4550 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
| Fuel Consumption Overall | 7.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
