2007 Audi A4 vs. 2003 Porsche GT2
To start off, 2007 Audi A4 is newer by 4 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 201 more horse power than 2007 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2003 Porsche GT2 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 434 kg more than 2003 Porsche GT2.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Porsche GT2. In wet, icy, snow, or gravel driving conditions, 2007 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, 2003 Porsche GT2 (620 Nm @ 3500 RPM) has 289 more torque (in Nm) than 2007 Audi A4. (331 Nm @ 3250 RPM). This means 2003 Porsche GT2 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2007 Audi A4 has automatic transmission and 2003 Porsche GT2 has manual transmission. 2003 Porsche GT2 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2003 Porsche GT2 | |
| Make | Audi | Porsche |
| Model | A4 | GT2 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3123 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 456 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 331 Nm | 620 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 96 mm | 76.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1880 kg | 1446 kg |
| Vehicle Length | 4590 mm | 4460 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
