1973 Opel Kadett vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1973 Opel Kadett 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 19 more horse power than 1973 Opel Kadett. (51 HP) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 180 kg more than 1973 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 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 1973 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, 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, 1973 Opel Kadett (80 Nm) has 8 more torque (in Nm) than 1986 Renault 21. (72 Nm). This means 1973 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1973 Opel Kadett | 1986 Renault 21 | |
| Make | Opel | Renault |
| Model | Kadett | 21 |
| Year Released | 1973 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1397 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 70 HP |
| Torque | 80 Nm | 72 Nm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 790 kg | 970 kg |
| Vehicle Length | 4140 mm | 4470 mm |
| Vehicle Width | 1590 mm | 1710 mm |
| Vehicle Height | 1290 mm | 1420 mm |
| Wheelbase Size | 2410 mm | 2670 mm |
| Fuel Tank Capacity | 43 L | 66 L |
