2005 Audi A4 vs. 2003 Porsche GT2
To start off, 2005 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche GT2. In addition, the cost of maintenance, including insurance, on 2003 Porsche GT2 would be higher. At 3,600 cc (6 cylinders), 2003 Porsche GT2 is equipped with a bigger engine. In terms of performance, 2003 Porsche GT2 (456 HP @ 5700 RPM) has 239 more horse power than 2005 Audi A4. (217 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche GT2 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 252 kg more than 2003 Porsche GT2.
Let's talk about torque, 2003 Porsche GT2 (620 Nm) has 320 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2003 Porsche GT2 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2003 Porsche GT2 | |
| Make | Audi | Porsche |
| Model | A4 | GT2 |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2976 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 456 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 300 Nm | 620 Nm |
| Engine Bore Size | 83 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1698 kg | 1446 kg |
| Vehicle Length | 4580 mm | 4460 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
