2004 Audi A4 vs. 2005 Porsche Carrera GT
To start off, 2005 Porsche Carrera GT is newer by 1 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 5,733 cc (10 cylinders), 2005 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2005 Porsche Carrera GT (604 HP @ 8000 RPM) has 476 more horse power than 2004 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2005 Porsche Carrera GT should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 105 kg more than 2005 Porsche Carrera GT.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche Carrera GT. In wet, icy, snow, or gravel driving conditions, 2004 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, 2005 Porsche Carrera GT (590 Nm @ 5750 RPM) has 270 more torque (in Nm) than 2004 Audi A4. (320 Nm @ 1900 RPM). This means 2005 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2005 Porsche Carrera GT | |
| Make | Audi | Porsche |
| Model | A4 | Carrera GT |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 1896 cc | 5733 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 604 HP |
| Engine RPM | 4000 RPM | 8000 RPM |
| Torque | 320 Nm | 590 Nm |
| Torque RPM | 1900 RPM | 5750 RPM |
| Engine Bore Size | 79.5 mm | 98 mm |
| Engine Stroke Size | 95.5 mm | 76 mm |
| Engine Compression Ratio | 19.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 330 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 3.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1380 kg |
| Vehicle Length | 4550 mm | 4620 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1170 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 6.4 L/100km | 18 L/100km |
| Fuel Tank Capacity | 66 L | 92 L |
