2004 Citroen C4 vs. 1986 Renault 21
To start off, 2004 Citroen C4 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,719 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2004 Citroen C4 (89 HP @ 5250 RPM) has 14 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2004 Citroen C4 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 297 kg more than 1986 Renault 21. 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 4 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 2004 Citroen C4 | 1986 Renault 21 | |
| Make | Citroen | Renault |
| Model | C4 | 21 |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1398 cc | 1719 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 89 HP | 75 HP |
| Engine RPM | 5250 RPM | 5000 RPM |
| Torque | 133 Nm | 129 Nm |
| Torque RPM | 3250 RPM | 3250 RPM |
| Engine Bore Size | 75 mm | 81 mm |
| Engine Stroke Size | 77 mm | 83.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 182 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1252 kg | 955 kg |
| Vehicle Length | 4270 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2550 mm |
| Fuel Consumption Overall | 6.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
