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 (316 HP @ 6800 RPM) has 69 more horse power than 2007 Audi A3. (247 HP @ 6300 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. 2007 Audi A3 weights approximately 15 kg more than 2005 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 50 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 8200 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 | 3187 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 247 HP | 316 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 320 Nm | 370 Nm |
| Torque RPM | 8200 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 96.1 mm |
| Engine Stroke Size | 95.9 mm | 82.8 mm |
| Engine Compression Ratio | 11.3:1 | 11.3:1 |
| Acceleration 0-100mph | 6.3 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1550 kg |
| Vehicle Length | 4290 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2360 mm |
| Fuel Consumption Overall | 9.9 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
