2004 Citroen C5 vs. 1981 Renault 9
To start off, 2004 Citroen C5 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 would be higher. At 1,761 cc (4 cylinders), 2004 Citroen C5 is equipped with a bigger engine. In terms of performance, 2004 Citroen C5 (57 HP @ 5500 RPM) has 3 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2004 Citroen C5 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C5 weights approximately 507 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Citroen C5 (110 Nm @ 4000 RPM) has 6 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2004 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2004 Citroen C5 | 1981 Renault 9 | |
| Make | Citroen | Renault |
| Model | C5 | 9 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1761 cc | 1595 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 57 HP | 54 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 110 Nm | 104 Nm |
| Torque RPM | 4000 RPM | 2250 RPM |
| Engine Bore Size | 82.7 mm | 78 mm |
| Engine Stroke Size | 81.4 mm | 83.5 mm |
| Engine Compression Ratio | 10.8:1 | 22.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1422 kg | 915 kg |
| Vehicle Length | 4850 mm | 4070 mm |
| Vehicle Width | 1790 mm | 1660 mm |
| Vehicle Height | 1520 mm | 1410 mm |
| Wheelbase Size | 2770 mm | 2490 mm |
| Fuel Tank Capacity | 66 L | 38 L |
