2004 Audi A4 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 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 3,822 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (350 HP @ 6600 RPM) has 222 more horse power than 2004 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 20 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Porsche 911. 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 911 (408 Nm @ 4600 RPM) has 88 more torque (in Nm) than 2004 Audi A4. (320 Nm @ 1900 RPM). This means 2005 Porsche 911 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 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1896 cc | 3822 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 350 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 320 Nm | 408 Nm |
| Torque RPM | 1900 RPM | 4600 RPM |
| Engine Bore Size | 79.5 mm | 99 mm |
| Engine Stroke Size | 95.5 mm | 82.8 mm |
| Engine Compression Ratio | 19.0:1 | 11.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 293 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1505 kg |
| Vehicle Length | 4550 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption Overall | 6.4 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
