2009 Audi A4 vs. 2008 Porsche 911
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche 911. In addition, the cost of maintenance, including insurance, on 2008 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (473 HP @ 6000 RPM) has 286 more horse power than 2009 Audi A4. (187 HP @ 3500 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 10 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche 911 (620 Nm @ 1950 RPM) has 220 more torque (in Nm) than 2009 Audi A4. (400 Nm @ 1400 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2008 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2697 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 473 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 400 Nm | 620 Nm |
| Torque RPM | 1400 RPM | 1950 RPM |
| Engine Bore Size | 82.6 mm | 100 mm |
| Engine Stroke Size | 84.1 mm | 76.4 mm |
| Engine Compression Ratio | 17.5:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1655 kg |
| Vehicle Length | 4710 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2810 mm | 2360 mm |
| Fuel Consumption Overall | 6.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 65 L | 67 L |
