2005 Audi S4 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 8 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 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (523 HP @ 6250 RPM) has 183 more horse power than 2005 Audi S4. (340 HP @ 4000 RPM) In normal driving conditions, 2013 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 121 kg more than 2013 Porsche 911.
Let's talk about torque, 2013 Porsche 911 (700 Nm) has 290 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2013 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 523 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 410 Nm | 700 Nm |
| Engine Bore Size | 85 mm | 102 mm |
| Engine Stroke Size | 93 mm | 77 mm |
| Engine Compression Ratio | 11.0:1 | 9.8 : 1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1664 kg |
| Vehicle Length | 4550 mm | 4477 mm |
| Vehicle Width | 1770 mm | 1852 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2470 mm | 2350 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.2 L/100km |
