1977 Opel Kadett vs. 1988 Renault 25
To start off, 1988 Renault 25 is newer by 11 year(s). Which means there will be less support and parts availability for 1977 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1977 Opel Kadett would be higher. At 1,995 cc (4 cylinders), 1988 Renault 25 is equipped with a bigger engine. In terms of performance, 1988 Renault 25 (118 HP @ 5500 RPM) has 71 more horse power than 1977 Opel Kadett. (47 HP @ 5600 RPM) In normal driving conditions, 1988 Renault 25 should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1988 Renault 25 weights approximately 388 kg more than 1977 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Opel Kadett is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 1988 Renault 25, being front wheel drive (FWD), will offer much better control with better grip. 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, 1988 Renault 25 (164 Nm) has 93 more torque (in Nm) than 1977 Opel Kadett. (71 Nm). This means 1988 Renault 25 will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 1977 Opel Kadett | 1988 Renault 25 | |
| Make | Opel | Renault |
| Model | Kadett | 25 |
| Year Released | 1977 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 993 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 118 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 71 Nm | 164 Nm |
| Engine Bore Size | 72 mm | 88.1 mm |
| Engine Stroke Size | 61 mm | 82 mm |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 792 kg | 1180 kg |
| Vehicle Length | 3900 mm | 4720 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1410 mm |
| Wheelbase Size | 2670 mm | 2730 mm |
