2008 Porsche 911 vs. 2009 Audi A4
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 3,596 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (321 HP @ 6800 RPM) has 99 more horse power than 2009 Audi A4. (222 HP @ 4000 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. 2009 Audi A4 weights approximately 158 kg more than 2008 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 Audi A4 (450 Nm @ 1400 RPM) has 80 more torque (in Nm) than 2008 Porsche 911. (370 Nm @ 4250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911.
Compare all specifications:
| 2008 Porsche 911 | 2009 Audi A4 | |
| Make | Porsche | Audi |
| Model | 911 | A4 |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 222 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 370 Nm | 450 Nm |
| Torque RPM | 4250 RPM | 1400 RPM |
| Engine Bore Size | 96 mm | 83 mm |
| Engine Stroke Size | 82.8 mm | 91.4 mm |
| Engine Compression Ratio | 11.3:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 280 km/hour | 235 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 7.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1452 kg | 1610 kg |
| Vehicle Length | 4430 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2360 mm | 2660 mm |
| Fuel Consumption Overall | 11.3 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
