1983 Isuzu Piazza vs. 1974 Opel Kadett
To start off, 1983 Isuzu Piazza is newer by 9 year(s). Which means there will be less support and parts availability for 1974 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1974 Opel Kadett would be higher. At 1,994 cc (4 cylinders), 1983 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1983 Isuzu Piazza (150 HP @ 5400 RPM) has 103 more horse power than 1974 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 1983 Isuzu Piazza should accelerate faster than 1974 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1983 Isuzu Piazza weights approximately 490 kg more than 1974 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1983 Isuzu Piazza (225 Nm @ 3000 RPM) has 154 more torque (in Nm) than 1974 Opel Kadett. (71 Nm @ 3400 RPM). This means 1983 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Kadett.
Compare all specifications:
| 1983 Isuzu Piazza | 1974 Opel Kadett | |
| Make | Isuzu | Opel |
| Model | Piazza | Kadett |
| Year Released | 1983 | 1974 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 47 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 225 Nm | 71 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Bore Size | 88 mm | 72 mm |
| Engine Stroke Size | 82 mm | 61 mm |
| Engine Compression Ratio | 7.9:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 1280 kg | 790 kg |
| Vehicle Length | 4290 mm | 3900 mm |
| Vehicle Width | 1610 mm | 1590 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2510 mm | 2640 mm |
