1988 Isuzu Piazza vs. 1978 Opel Kadett
To start off, 1988 Isuzu Piazza is newer by 10 year(s). Which means there will be less support and parts availability for 1978 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1978 Opel Kadett would be higher. At 1,994 cc (4 cylinders), 1988 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1988 Isuzu Piazza (149 HP @ 5400 RPM) has 90 more horse power than 1978 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 1988 Isuzu Piazza should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1988 Isuzu Piazza weights approximately 460 kg more than 1978 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, 1988 Isuzu Piazza (226 Nm @ 3000 RPM) has 136 more torque (in Nm) than 1978 Opel Kadett. (90 Nm @ 2600 RPM). This means 1988 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1988 Isuzu Piazza | 1978 Opel Kadett | |
| Make | Isuzu | Opel |
| Model | Piazza | Kadett |
| Year Released | 1988 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 59 HP |
| Engine RPM | 5400 RPM | 5400 RPM |
| Torque | 226 Nm | 90 Nm |
| Torque RPM | 3000 RPM | 2600 RPM |
| Engine Bore Size | 88 mm | 79 mm |
| Engine Stroke Size | 82 mm | 61 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1280 kg | 820 kg |
| Vehicle Length | 4290 mm | 4130 mm |
| Vehicle Width | 1610 mm | 1590 mm |
| Vehicle Height | 1330 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2400 mm |
