2007 Audi A3 vs. 2005 Porsche 911
To start off, 2007 Audi A3 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 217 more horse power than 2007 Audi A3. (197 HP @ 5100 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 175 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A3. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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 (560 Nm @ 2700 RPM) has 280 more torque (in Nm) than 2007 Audi A3. (280 Nm @ 1800 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A3 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 414 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 560 Nm |
| Torque RPM | 1800 RPM | 2700 RPM |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 231 km/hour | 305 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1445 kg | 1620 kg |
| Vehicle Length | 4220 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
| Fuel Consumption Overall | 7.7 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
