1977 Fiat 133 vs. 1978 Opel Kadett
To start off, 1978 Opel Kadett is newer by 1 year(s). Which means there will be less support and parts availability for 1977 Fiat 133. In addition, the cost of maintenance, including insurance, on 1977 Fiat 133 would be higher. At 992 cc (4 cylinders), 1978 Opel Kadett is equipped with a bigger engine. In terms of performance, 1978 Opel Kadett (47 HP @ 5600 RPM) has 13 more horse power than 1977 Fiat 133. (34 HP @ 4800 RPM) In normal driving conditions, 1978 Opel Kadett should accelerate faster than 1977 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Kadett weights approximately 130 kg more than 1977 Fiat 133. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1978 Opel Kadett (71 Nm @ 3400 RPM) has 16 more torque (in Nm) than 1977 Fiat 133. (55 Nm @ 3200 RPM). This means 1978 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 133.
Compare all specifications:
| 1977 Fiat 133 | 1978 Opel Kadett | |
| Make | Fiat | Opel |
| Model | 133 | Kadett |
| Year Released | 1977 | 1978 |
| Engine Position | Rear | Front |
| Engine Size | 843 cc | 992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 34 HP | 47 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 55 Nm | 71 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 65 mm | 72 mm |
| Engine Stroke Size | 68 mm | 61 mm |
| Engine Compression Ratio | 7.9:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 690 kg | 820 kg |
| Vehicle Length | 3460 mm | 3900 mm |
| Vehicle Width | 1430 mm | 1590 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2030 mm | 2520 mm |
