1986 Renault 21 vs. 1978 Renault 4
To start off, 1986 Renault 21 is newer by 8 year(s). Which means there will be less support and parts availability for 1978 Renault 4. In addition, the cost of maintenance, including insurance, on 1978 Renault 4 would be higher. At 1,397 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (70 HP) has 36 more horse power than 1978 Renault 4. (34 HP). In normal driving conditions, 1986 Renault 21 should accelerate faster than 1978 Renault 4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 255 kg more than 1978 Renault 4. 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, both vehicles can yield 72 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1986 Renault 21 | 1978 Renault 4 | |
| Make | Renault | Renault |
| Model | 21 | 4 |
| Year Released | 1986 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1397 cc | 1108 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 34 HP |
| Torque | 72 Nm | 72 Nm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 970 kg | 715 kg |
| Vehicle Length | 4470 mm | 3670 mm |
| Vehicle Width | 1710 mm | 1490 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2670 mm | 2410 mm |
