2006 Citroen C4 vs. 1981 Renault 9
To start off, 2006 Citroen C4 is newer by 25 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 1,997 cc (4 cylinders), 2006 Citroen C4 is equipped with a bigger engine. In terms of performance, 2006 Citroen C4 (175 HP @ 7000 RPM) has 128 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 2006 Citroen C4 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C4 weights approximately 592 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.
Compare all specifications:
| 2006 Citroen C4 | 1981 Renault 9 | |
| Make | Citroen | Renault |
| Model | C4 | 9 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1108 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 47 HP |
| Engine RPM | 7000 RPM | 5250 RPM |
| Torque RPM | 4750 RPM | 2500 RPM |
| Engine Bore Size | 85.1 mm | 70 mm |
| Engine Stroke Size | 88 mm | 72 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1412 kg | 820 kg |
| Vehicle Length | 4280 mm | 4070 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2490 mm |
| Fuel Tank Capacity | 60 L | 38 L |
