2008 Audi A4 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (399 HP @ 6500 RPM) has 238 more horse power than 2008 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 190 kg more than 2009 Porsche Cayenne.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Porsche Cayenne 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, 2009 Porsche Cayenne (500 Nm @ 3500 RPM) has 275 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2009 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A4 | Cayenne |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4806 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 399 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 225 Nm | 500 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81.1 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 9.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.4 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1350 kg |
| Vehicle Length | 4580 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1930 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 8.5 L/100km | 15.1 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
