2004 Audi S4 vs. 1999 Porsche 911
To start off, 2004 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6000 RPM) has 75 more horse power than 2004 Audi S4. (339 HP @ 7000 RPM) In normal driving conditions, 1999 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 120 kg more than 1999 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 150 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 2004 Audi S4 | 1999 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S4 | 911 |
| Year Released | 2004 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4163 cc | 3595 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 339 HP | 414 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 92.8 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Top Speed | 250 km/hour | 304 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 4.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1540 kg |
| Vehicle Length | 4590 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2430 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
