1983 Isuzu Piazza vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 24 year(s). Which means there will be less support and parts availability for 1983 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1983 Isuzu Piazza 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 1 more horse power than 2007 Opel Vectra. (149 HP @ 4000 RPM). In normal driving conditions, 1983 Isuzu Piazza should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 255 kg more than 1983 Isuzu Piazza.
Let's talk about torque, 2007 Opel Vectra (315 Nm @ 2000 RPM) has 90 more torque (in Nm) than 1983 Isuzu Piazza. (225 Nm @ 3000 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1983 Isuzu Piazza.
Compare all specifications:
| 1983 Isuzu Piazza | 2007 Opel Vectra | |
| Make | Isuzu | Opel |
| Model | Piazza | Vectra |
| Year Released | 1983 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 149 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 225 Nm | 315 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 88 mm | 82 mm |
| Engine Stroke Size | 82 mm | 90.4 mm |
| Engine Compression Ratio | 7.9:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1535 kg |
| Vehicle Length | 4290 mm | 4600 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2710 mm |
