1975 Alfa Romeo Alfasud vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfasud would be higher. At 1,587 cc (4 cylinders), 2006 Citroen C4 is equipped with a bigger engine. In terms of performance, 2006 Citroen C4 (94 HP @ 3000 RPM) has 32 more horse power than 1975 Alfa Romeo Alfasud. (62 HP @ 6000 RPM) In normal driving conditions, 2006 Citroen C4 should accelerate faster than 1975 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C4 weights approximately 421 kg more than 1975 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 (135 Nm @ 3000 RPM) has 47 more torque (in Nm) than 1975 Alfa Romeo Alfasud. (88 Nm @ 3200 RPM). This means 2006 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfasud.
Compare all specifications:
| 1975 Alfa Romeo Alfasud | 2006 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | Alfasud | C4 |
| Year Released | 1975 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1186 cc | 1587 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 62 HP | 94 HP |
| Engine RPM | 6000 RPM | 3000 RPM |
| Torque | 88 Nm | 135 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 78.5 mm |
| Engine Stroke Size | 59 mm | 82 mm |
| Engine Compression Ratio | 8.8:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 153 km/hour | 171 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 894 kg | 1315 kg |
| Vehicle Length | 3940 mm | 4280 mm |
| Vehicle Width | 1590 mm | 1760 mm |
| Vehicle Height | 1360 mm | 1640 mm |
| Wheelbase Size | 2520 mm | 2770 mm |
| Fuel Tank Capacity | 50 L | 55 L |
