2006 Audi A4 vs. 2003 Porsche 911
To start off, 2006 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 188 more horse power than 2006 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 220 kg more than 2003 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 291 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2003 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3129 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 255 HP | 443 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 621 Nm |
| Torque RPM | 3250 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 92.8 mm | 76.4 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1660 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption | 8.7 L/100km | 9.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
