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 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2004 Citroen C4 (108 HP @ 4000 RPM) has 18 more horse power than 1986 Renault 21. (90 HP @ 4250 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 222 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 (240 Nm @ 1750 RPM) has 58 more torque (in Nm) than 1986 Renault 21. (182 Nm @ 2000 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 | 1560 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 90 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 240 Nm | 182 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 75 mm | 86 mm |
| Engine Stroke Size | 88 mm | 89 mm |
| Top Speed | 192 km/hour | 171 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 | 1355 kg | 1133 kg |
| Vehicle Length | 4270 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2590 mm |
| Fuel Tank Capacity | 60 L | 34 L |
