2004 Audi S4 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 10 more horse power than 2004 Audi S4. (340 HP @ 6200 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 360 kg more than 2009 Porsche 911.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 11 more torque (in Nm) than 2009 Porsche 911. (400 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911.
Compare all specifications:
| 2004 Audi S4 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2004 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 3823 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 350 HP |
| Engine RPM | 6200 RPM | 6600 RPM |
| Torque | 411 Nm | 400 Nm |
| Engine Bore Size | 85 mm | 96 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1535 kg |
| Vehicle Length | 4580 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1310 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
