1999 Audi A4 vs. 1975 Porsche 924
To start off, 1999 Audi A4 is newer by 24 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 1,984 cc (4 cylinders), 1975 Porsche 924 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (252 HP @ 4150 RPM) has 127 more horse power than 1975 Porsche 924. (125 HP @ 5800 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1975 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 209 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 1975 Porsche 924 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Porsche 924. However, in wet, icy, snow, or gravel driving conditions, 1999 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 Audi A4 (330 Nm @ 1900 RPM) has 166 more torque (in Nm) than 1975 Porsche 924. (164 Nm @ 3500 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 924.
Compare all specifications:
| 1999 Audi A4 | 1975 Porsche 924 | |
| Make | Audi | Porsche |
| Model | A4 | 924 |
| Year Released | 1999 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 125 HP |
| Engine RPM | 4150 RPM | 5800 RPM |
| Torque | 330 Nm | 164 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 86.5 mm |
| Engine Stroke Size | 95.5 mm | 84.4 mm |
| Engine Compression Ratio | 19.5:1 | 9.3:1 |
| Top Speed | 192 km/hour | 195 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1295 kg | 1086 kg |
| Vehicle Length | 4480 mm | 4180 mm |
| Vehicle Width | 1740 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2410 mm |
| Fuel Tank Capacity | 62 L | 61 L |
