1971 Opel Kadett vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 1,700 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1971 Opel Kadett (59 HP @ 5400 RPM) has 3 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1971 Opel Kadett should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 290 kg more than 1971 Opel Kadett.
Because 1971 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 1971 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 (105 Nm @ 2400 RPM) has 17 more torque (in Nm) than 1971 Opel Kadett. (88 Nm @ 3400 RPM). This means 1991 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 1971 Opel Kadett | 1991 Opel Astra | |
| Make | Opel | Opel |
| Model | Kadett | Astra |
| Year Released | 1971 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1700 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 56 HP |
| Engine RPM | 5400 RPM | 4600 RPM |
| Torque | 88 Nm | 105 Nm |
| Torque RPM | 3400 RPM | 2400 RPM |
| Engine Bore Size | 79 mm | 82.5 mm |
| Engine Stroke Size | 61 mm | 79.5 mm |
| Engine Compression Ratio | 9.0:1 | 23.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 760 kg | 1050 kg |
| Vehicle Length | 4190 mm | 4060 mm |
| Vehicle Width | 1590 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2530 mm |
| Fuel Tank Capacity | 40 L | 40 L |
