2005 Audi A4 vs. 1975 Audi 80
To start off, 2005 Audi A4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Audi 80. In addition, the cost of maintenance, including insurance, on 1975 Audi 80 would be higher. At 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (138 HP @ 4000 RPM) has 63 more horse power than 1975 Audi 80. (75 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1975 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, 2005 Audi A4 (320 Nm @ 1750 RPM) has 208 more torque (in Nm) than 1975 Audi 80. (112 Nm @ 3200 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 80.
Compare all specifications:
| 2005 Audi A4 | 1975 Audi 80 | |
| Make | Audi | Audi |
| Model | A4 | 80 |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 75 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 320 Nm | 112 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 95.5 mm | 80 mm |
| Engine Compression Ratio | 18.0:1 | 8.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4550 mm | 4390 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
| Fuel Tank Capacity | 66 L | 60 L |
