1989 Isuzu Piazza vs. 1988 Opel Vectra
To start off, 1989 Isuzu Piazza is newer by 1 year(s). Which means there will be less support and parts availability for 1988 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1988 Opel Vectra 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 46 more horse power than 1988 Opel Vectra. (102 HP @ 6000 RPM). In normal driving conditions, 1989 Isuzu Piazza should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1988 Opel Vectra weights approximately 80 kg more than 1989 Isuzu Piazza.
Let's talk about torque, 1989 Isuzu Piazza (226 Nm @ 3000 RPM) has 76 more torque (in Nm) than 1988 Opel Vectra. (150 Nm @ 3600 RPM). This means 1989 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1988 Opel Vectra.
Compare all specifications:
| 1989 Isuzu Piazza | 1988 Opel Vectra | |
| Make | Isuzu | Opel |
| Model | Piazza | Vectra |
| Year Released | 1989 | 1988 |
| 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 | 102 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 226 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 88.1 mm | 79 mm |
| Engine Stroke Size | 82 mm | 81.5 mm |
| Engine Compression Ratio | 7.9:1 | 10.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1360 kg |
| Vehicle Length | 4290 mm | 4500 mm |
| Vehicle Width | 1610 mm | 1710 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2520 mm |
