2004 Audi A4 vs. 1975 Porsche 911
To start off, 2004 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Porsche 911. In addition, the cost of maintenance, including insurance, on 1975 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 911 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP @ 5500 RPM) has 40 more horse power than 2004 Audi A4. (220 HP @ 6200 RPM) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 575 kg more than 1975 Porsche 911.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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, 1975 Porsche 911 (343 Nm) has 33 more torque (in Nm) than 2004 Audi A4. (310 Nm). This means 1975 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 1975 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2004 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2976 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 220 HP | 260 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 310 Nm | 343 Nm |
| Engine Compression Ratio | 10.1:1 | 6.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1195 kg |
| Vehicle Length | 4580 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2270 mm |
| Fuel Tank Capacity | 63 L | 79 L |
