2009 Audi A4 vs. 1975 Audi 80
To start off, 2009 Audi A4 is newer by 34 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 3,197 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (261 HP @ 6500 RPM) has 151 more horse power than 1975 Audi 80. (110 HP @ 6100 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1975 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 718 kg more than 1975 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Audi A4 (330 Nm @ 3000 RPM) has 190 more torque (in Nm) than 1975 Audi 80. (140 Nm @ 5000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 80.
Compare all specifications:
| 2009 Audi A4 | 1975 Audi 80 | |
| Make | Audi | Audi |
| Model | A4 | 80 |
| Year Released | 2009 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 261 HP | 110 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 330 Nm | 140 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 84.6 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 912 kg |
| Vehicle Length | 4710 mm | 4390 mm |
| Vehicle Width | 1830 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2810 mm | 2550 mm |
| Fuel Tank Capacity | 64 L | 60 L |
