2005 Citroen C5 vs. 1978 Renault 18
To start off, 2005 Citroen C5 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,761 cc (4 cylinders), 2005 Citroen C5 is equipped with a bigger engine. In terms of performance, 2005 Citroen C5 (114 HP @ 5250 RPM) has 36 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2005 Citroen C5 should accelerate faster than 1978 Renault 18.
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, 2005 Citroen C5 (160 Nm @ 4000 RPM) has 24 more torque (in Nm) than 1978 Renault 18. (136 Nm @ 3000 RPM). This means 2005 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 2005 Citroen C5 | 1978 Renault 18 | |
| Make | Citroen | Renault |
| Model | C5 | 18 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1761 cc | 1647 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 78 HP |
| Engine RPM | 5250 RPM | 5000 RPM |
| Torque | 160 Nm | 136 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 83.1 mm | 81 mm |
| Engine Stroke Size | 81 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4620 mm | 4470 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1480 mm | 1410 mm |
