2003 Audi A4 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi A4. In addition, the cost of maintenance, including insurance, on 2003 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2003 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi A4 (341 HP @ 7000 RPM) has 25 more horse power than 2004 Porsche 911. (316 HP @ 8000 RPM). In normal driving conditions, 2003 Audi A4 should accelerate faster than 2004 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A4 weights approximately 245 kg more than 2004 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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, 2003 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 Audi A4 (410 Nm) has 40 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2003 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2003 Audi A4 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 316 HP |
| Engine RPM | 7000 RPM | 8000 RPM |
| Torque | 410 Nm | 370 Nm |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1415 kg |
| Vehicle Length | 4550 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Tank Capacity | 66 L | 64 L |
