2004 Audi RS4 vs. 1971 Porsche 917
To start off, 2004 Audi RS4 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Porsche 917. In addition, the cost of maintenance, including insurance, on 1971 Porsche 917 would be higher. At 4,994 cc, 1971 Porsche 917 is equipped with a bigger engine. In terms of performance, 1971 Porsche 917 (520 HP) has 144 more horse power than 2004 Audi RS4. (376 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 2004 Audi RS4.
Because 2004 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Porsche 917. In wet, icy, snow, or gravel driving conditions, 2004 Audi RS4 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, 1971 Porsche 917 (610 Nm) has 160 more torque (in Nm) than 2004 Audi RS4. (450 Nm). This means 1971 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi RS4.
Compare all specifications:
| 2004 Audi RS4 | 1971 Porsche 917 | |
| Make | Audi | Porsche |
| Model | RS4 | 917 |
| Year Released | 2004 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2671 cc | 4994 cc |
| Horse Power | 376 HP | 520 HP |
| Torque | 450 Nm | 610 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
