1986 Renault 21 vs. 2010 Citroen C4
To start off, 2010 Citroen C4 is newer by 24 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, 2010 Citroen C4 (89 HP @ 4000 RPM) has 14 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2010 Citroen C4 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2010 Citroen C4 weights approximately 377 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, 2010 Citroen C4 (215 Nm @ 1750 RPM) has 86 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2010 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1986 Renault 21 | 2010 Citroen C4 | |
| Make | Renault | Citroen |
| Model | 21 | C4 |
| Year Released | 1986 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1719 cc | 1560 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 89 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 129 Nm | 215 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 75 mm |
| Engine Stroke Size | 83.5 mm | 88 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 176 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 955 kg | 1332 kg |
| Vehicle Length | 4470 mm | 4270 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Consumption Overall | 7 L/100km | 4.7 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
