2007 Audi A4 vs. 2005 Porsche 911
To start off, 2007 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (325 HP @ 4250 RPM) has 70 more horse power than 2007 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 355 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 (370 Nm @ 4250 RPM) has 40 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3123 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 325 HP |
| Engine RPM | 6500 RPM | 4250 RPM |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3250 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 96 mm | 83 mm |
| Engine Compression Ratio | 11.3:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 285 km/hour |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1525 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption | 8.3 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.4 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10 L/100km | 11 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
