2011 Citroen C4 vs. 1973 Audi 80
To start off, 2011 Citroen C4 is newer by 38 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 1,588 cc (4 cylinders), 1973 Audi 80 is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (111 HP @ 4000 RPM) has 36 more horse power than 1973 Audi 80. (75 HP @ 5500 RPM). In normal driving conditions, 2011 Citroen C4 should accelerate faster than 1973 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C4 weights approximately 443 kg more than 1973 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, 2011 Citroen C4 (240 Nm @ 4000 RPM) has 128 more torque (in Nm) than 1973 Audi 80. (112 Nm @ 3200 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Audi 80.
Compare all specifications:
| 2011 Citroen C4 | 1973 Audi 80 | |
| Make | Citroen | Audi |
| Model | C4 | 80 |
| Year Released | 2011 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 75 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 240 Nm | 112 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 75 mm | 79.5 mm |
| Engine Stroke Size | 88.3 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 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 | 1355 kg | 912 kg |
| Vehicle Length | 4270 mm | 4390 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2550 mm |
| Fuel Tank Capacity | 60 L | 60 L |
