1985 Opel Kadett vs. 1978 Renault 4
To start off, 1985 Opel Kadett is newer by 7 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 1,295 cc (4 cylinders), 1985 Opel Kadett is equipped with a bigger engine. In terms of performance, 1985 Opel Kadett (75 HP @ 5800 RPM) has 41 more horse power than 1978 Renault 4. (34 HP @ 4000 RPM). In normal driving conditions, 1985 Opel Kadett should accelerate faster than 1978 Renault 4. With that said, vehicle weight also plays an important factor in acceleration. 1985 Opel Kadett weights approximately 143 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, 1985 Opel Kadett (101 Nm @ 4200 RPM) has 29 more torque (in Nm) than 1978 Renault 4. (72 Nm @ 2500 RPM). This means 1985 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 4.
Compare all specifications:
| 1985 Opel Kadett | 1978 Renault 4 | |
| Make | Opel | Renault |
| Model | Kadett | 4 |
| Year Released | 1985 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1295 cc | 1108 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 34 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 101 Nm | 72 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Engine Bore Size | 75 mm | 70 mm |
| Engine Stroke Size | 73.4 mm | 72 mm |
| Engine Compression Ratio | 9.2:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 858 kg | 715 kg |
| Vehicle Length | 4010 mm | 3670 mm |
| Vehicle Width | 1670 mm | 1490 mm |
| Vehicle Height | 1360 mm | 1560 mm |
| Wheelbase Size | 2580 mm | 2410 mm |
