1991 Opel Astra vs. 1973 Opel Kadett
To start off, 1991 Opel Astra is newer by 18 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 1,998 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (115 HP @ 5200 RPM) has 64 more horse power than 1973 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 1991 Opel Astra should accelerate faster than 1973 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 230 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, 1991 Opel Astra, 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, 1991 Opel Astra (169 Nm @ 2600 RPM) has 89 more torque (in Nm) than 1973 Opel Kadett. (80 Nm @ 3400 RPM). This means 1991 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Kadett.
Compare all specifications:
| 1991 Opel Astra | 1973 Opel Kadett | |
| Make | Opel | Opel |
| Model | Astra | Kadett |
| Year Released | 1991 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 51 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 169 Nm | 80 Nm |
| Torque RPM | 2600 RPM | 3400 RPM |
| Engine Bore Size | 86 mm | 79 mm |
| Engine Stroke Size | 86 mm | 61 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1050 kg | 820 kg |
| Vehicle Length | 4090 mm | 4150 mm |
| Vehicle Width | 1690 mm | 1590 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2650 mm | 2410 mm |
| Fuel Tank Capacity | 75 L | 43 L |
