2005 Audi A4 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 130 more horse power than 2005 Audi A4. (220 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 110 kg more than 2009 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 100 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2983 cc | 3823 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 350 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 300 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Engine Bore Size | 83 mm | 96 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Top Speed | 238 km/hour | 280 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1535 kg |
| Vehicle Length | 4550 mm | 4430 mm |
| Vehicle Width | 1770 mm | 1310 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption Overall | 11 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
