1989 Isuzu Piazza vs. 1977 Opel Kadett
To start off, 1989 Isuzu Piazza is newer by 12 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 1,994 cc (4 cylinders), 1989 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1989 Isuzu Piazza (148 HP @ 5400 RPM) has 74 more horse power than 1977 Opel Kadett. (74 HP @ 5200 RPM). In normal driving conditions, 1989 Isuzu Piazza should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1989 Isuzu Piazza weights approximately 495 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.
Let's talk about torque, 1989 Isuzu Piazza (226 Nm @ 3000 RPM) has 113 more torque (in Nm) than 1977 Opel Kadett. (113 Nm @ 4200 RPM). This means 1989 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 1989 Isuzu Piazza | 1977 Opel Kadett | |
| Make | Isuzu | Opel |
| Model | Piazza | Kadett |
| Year Released | 1989 | 1977 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 74 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 226 Nm | 113 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Compression Ratio | 7.9:1 | 6.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1280 kg | 785 kg |
| Vehicle Length | 4290 mm | 4140 mm |
| Vehicle Width | 1610 mm | 1590 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2510 mm | 2500 mm |
