1999 Audi A4 vs. 1973 Audi 80
To start off, 1999 Audi A4 is newer by 26 year(s). Which means there will be less support and parts availability for 1973 Audi 80. In addition, the cost of maintenance, including insurance, on 1973 Audi 80 would be higher. At 1,780 cc (4 cylinders), 1999 Audi A4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 388 kg more than 1973 Audi 80.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (320 Nm @ 1750 RPM) has 208 more torque (in Nm) than 1973 Audi 80. (112 Nm @ 3200 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Audi 80.
Compare all specifications:
| 1999 Audi A4 | 1973 Audi 80 | |
| Make | Audi | Audi |
| Model | A4 | 80 |
| Year Released | 1999 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 75 HP |
| Torque | 320 Nm | 112 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Engine Compression Ratio | 9.5:1 | 8.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1300 kg | 912 kg |
| Vehicle Length | 4480 mm | 4390 mm |
| Vehicle Width | 1740 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2630 mm | 2550 mm |
| Fuel Tank Capacity | 62 L | 60 L |
