2005 Audi S4 vs. 2004 Porsche 911
To start off, 2005 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (350 HP @ 6600 RPM) has 10 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 370 kg more than 2004 Porsche 911.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 2 more torque (in Nm) than 2004 Porsche 911. (408 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2005 Audi S4 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 3822 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 | 6300 RPM | 6600 RPM |
| Torque | 410 Nm | 408 Nm |
| Engine Bore Size | 85 mm | 99 mm |
| Engine Stroke Size | 93 mm | 82.8 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1470 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption City | 13.8 L/100km | 17.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
