1981 Alfa Romeo Alfasud vs. 1977 Opel Kadett
To start off, 1981 Alfa Romeo Alfasud is newer by 4 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 1,490 cc (4 cylinders), 1981 Alfa Romeo Alfasud is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfasud (106 HP @ 6000 RPM) has 47 more horse power than 1977 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 1981 Alfa Romeo Alfasud should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfasud weights approximately 110 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, 1981 Alfa Romeo Alfasud, 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, 1981 Alfa Romeo Alfasud (133 Nm @ 4000 RPM) has 43 more torque (in Nm) than 1977 Opel Kadett. (90 Nm @ 2600 RPM). This means 1981 Alfa Romeo Alfasud will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 1977 Opel Kadett | |
| Make | Alfa Romeo | Opel |
| Model | Alfasud | Kadett |
| Year Released | 1981 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 106 HP | 59 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 133 Nm | 90 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 84.1 mm | 79 mm |
| Engine Stroke Size | 67.2 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 820 kg |
| Vehicle Length | 4030 mm | 4130 mm |
| Vehicle Width | 1630 mm | 1590 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2470 mm | 2400 mm |
| Fuel Tank Capacity | 50 L | 43 L |
