2005 Audi A4 vs. 1975 Porsche 924
To start off, 2005 Audi A4 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 2,976 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 4000 RPM) has 94 more horse power than 1975 Porsche 924. (123 HP @ 5800 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1975 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 518 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.
Let's talk about torque, 2005 Audi A4 (300 Nm) has 135 more torque (in Nm) than 1975 Porsche 924. (165 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 924.
Compare all specifications:
| 2005 Audi A4 | 1975 Porsche 924 | |
| Make | Audi | Porsche |
| Model | A4 | 924 |
| Year Released | 2005 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 123 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 300 Nm | 165 Nm |
| Engine Bore Size | 83 mm | 86.5 mm |
| Engine Stroke Size | 93 mm | 84.4 mm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1180 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 61 L |
