2005 Audi S4 vs. 2005 Porsche 911
To start off, both 2005 Audi S4 and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (377 HP @ 7400 RPM) has 37 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2005 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 385 kg more than 2005 Porsche 911.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 25 more torque (in Nm) than 2005 Porsche 911. (385 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2005 Audi S4 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 340 HP | 377 HP |
| Engine RPM | 6300 RPM | 7400 RPM |
| Torque | 410 Nm | 385 Nm |
| Engine Bore Size | 85 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 11.7:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1455 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13 L/100km |
| Fuel Tank Capacity | 63 L | 89 L |
