2005 Audi S4 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 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 59 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 490 kg more than 2009 Porsche Cayenne.
Let's talk about torque, 2009 Porsche Cayenne (500 Nm) has 90 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2009 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | S4 | Cayenne |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4806 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 399 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 410 Nm | 500 Nm |
| Engine Bore Size | 85 mm | 96 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 12.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1840 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 | 11.8 L/100km | 15.1 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
