1982 Isuzu Piazza vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 21 year(s). Which means there will be less support and parts availability for 1982 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1982 Isuzu Piazza would be higher. At 3,175 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (209 HP @ 6200 RPM) has 60 more horse power than 1982 Isuzu Piazza. (149 HP @ 5400 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1982 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 345 kg more than 1982 Isuzu Piazza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Opel Vectra (300 Nm @ 4000 RPM) has 75 more torque (in Nm) than 1982 Isuzu Piazza. (225 Nm @ 3000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1982 Isuzu Piazza.
Compare all specifications:
| 1982 Isuzu Piazza | 2003 Opel Vectra | |
| Make | Isuzu | Opel |
| Model | Piazza | Vectra |
| Year Released | 1982 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 149 HP | 209 HP |
| Engine RPM | 5400 RPM | 6200 RPM |
| Torque | 225 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 7.9:1 | 10.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1625 kg |
| Vehicle Length | 4290 mm | 4830 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1510 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
