1973 Alfa Romeo Alfasud vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 33 year(s). Which means there will be less support and parts availability for 1973 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1973 Alfa Romeo Alfasud would be higher. At 1,749 cc (4 cylinders), 2006 Citroen C4 is equipped with a bigger engine. In terms of performance, 2006 Citroen C4 (114 HP @ 4000 RPM) has 47 more horse power than 1973 Alfa Romeo Alfasud. (67 HP @ 6000 RPM) In normal driving conditions, 2006 Citroen C4 should accelerate faster than 1973 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C4 weights approximately 270 kg more than 1973 Alfa Romeo Alfasud. 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, 2006 Citroen C4 (160 Nm @ 4000 RPM) has 41 more torque (in Nm) than 1973 Alfa Romeo Alfasud. (119 Nm @ 4000 RPM). This means 2006 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Alfa Romeo Alfasud.
Compare all specifications:
| 1973 Alfa Romeo Alfasud | 2006 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | Alfasud | C4 |
| Year Released | 1973 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1186 cc | 1749 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 67 HP | 114 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 119 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 82.7 mm |
| Engine Stroke Size | 59 mm | 81.4 mm |
| Engine Compression Ratio | 9.0:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 160 km/hour | 190 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 870 kg | 1140 kg |
| Vehicle Length | 3930 mm | 4280 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1640 mm |
| Wheelbase Size | 2520 mm | 2770 mm |
| Fuel Tank Capacity | 50 L | 55 L |
