1966 Innocenti J4 vs. 1993 Renault 21
To start off, 1993 Renault 21 is newer by 27 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 1,721 cc (4 cylinders), 1993 Renault 21 is equipped with a bigger engine. In terms of performance, 1993 Renault 21 (75 HP @ 5000 RPM) has 19 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 1993 Renault 21 should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1993 Renault 21 weights approximately 110 kg more than 1966 Innocenti J4. 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, 1993 Renault 21 (129 Nm @ 3250 RPM) has 47 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 1993 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
| 1966 Innocenti J4 | 1993 Renault 21 | |
| Make | Innocenti | Renault |
| Model | J4 | 21 |
| Year Released | 1966 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 82 Nm | 129 Nm |
| Torque RPM | 2000 RPM | 3250 RPM |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 850 kg | 960 kg |
| Vehicle Length | 3720 mm | 4470 mm |
| Vehicle Width | 1540 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2380 mm | 2550 mm |
| Fuel Tank Capacity | 40 L | 55 L |
