1978 Renault 4 vs. 1981 Renault 18
To start off, 1981 Renault 18 is newer by 3 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 2,068 cc (4 cylinders), 1981 Renault 18 is equipped with a bigger engine. In terms of performance, 1981 Renault 18 (87 HP) has 53 more horse power than 1978 Renault 4. (34 HP) In normal driving conditions, 1981 Renault 18 should accelerate faster than 1978 Renault 4.
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, 1981 Renault 18 (181 Nm) has 109 more torque (in Nm) than 1978 Renault 4. (72 Nm). This means 1981 Renault 18 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 4.
Compare all specifications:
| 1978 Renault 4 | 1981 Renault 18 | |
| Make | Renault | Renault |
| Model | 4 | 18 |
| Year Released | 1978 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1108 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 34 HP | 87 HP |
| Torque | 72 Nm | 181 Nm |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 72 mm | 89 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 3670 mm | 4470 mm |
| Vehicle Width | 1490 mm | 1710 mm |
| Vehicle Height | 1560 mm | 1410 mm |
