2005 Audi RS4 vs. 1975 Porsche 924
To start off, 2005 Audi RS4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Porsche 924. In addition, the cost of maintenance, including insurance, on 1975 Porsche 924 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 253 more horse power than 1975 Porsche 924. (123 HP @ 5800 RPM). In normal driving conditions, 2005 Audi RS4 should accelerate faster than 1975 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS4 weights approximately 405 kg more than 1975 Porsche 924. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Porsche 924. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 284 more torque (in Nm) than 1975 Porsche 924. (165 Nm @ 3500 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 924.
Compare all specifications:
| 2005 Audi RS4 | 1975 Porsche 924 | |
| Make | Audi | Porsche |
| Model | RS4 | 924 |
| Year Released | 2005 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 376 HP | 123 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 449 Nm | 165 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 192 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1180 kg |
| Vehicle Length | 4600 mm | 4330 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2610 mm | 2500 mm |
| Fuel Tank Capacity | 55 L | 61 L |
