2004 Citroen C4 vs. 1981 Renault 18
To start off, 2004 Citroen C4 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 1,398 cc (4 cylinders), 2004 Citroen C4 is equipped with a bigger engine. In terms of performance, 2004 Citroen C4 (89 HP @ 5250 RPM) has 26 more horse power than 1981 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 2004 Citroen C4 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 267 kg more than 1981 Renault 18. 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, 2004 Citroen C4 (133 Nm @ 3250 RPM) has 30 more torque (in Nm) than 1981 Renault 18. (103 Nm @ 3000 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 2004 Citroen C4 | 1981 Renault 18 | |
| Make | Citroen | Renault |
| Model | C4 | 18 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1398 cc | 1396 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 63 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 133 Nm | 103 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 75 mm | 76 mm |
| Engine Stroke Size | 77 mm | 77 mm |
| Engine Compression Ratio | 11.2:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1252 kg | 985 kg |
| Vehicle Length | 4270 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2700 mm | 2450 mm |
| Fuel Consumption Overall | 6.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
