1982 Isuzu Piazza vs. 2003 Opel Astra
To start off, 2003 Opel Astra 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 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 1982 Isuzu Piazza (149 HP @ 5400 RPM) has 4 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM). In normal driving conditions, 1982 Isuzu Piazza should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 18 kg more than 1982 Isuzu Piazza.
Let's talk about torque, 1982 Isuzu Piazza (225 Nm @ 3000 RPM) has 22 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 1982 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 1982 Isuzu Piazza | 2003 Opel Astra | |
| Make | Isuzu | Opel |
| Model | Piazza | Astra |
| Year Released | 1982 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 145 HP |
| Engine RPM | 5400 RPM | 5800 RPM |
| Torque | 225 Nm | 203 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 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 | 1298 kg |
| Vehicle Length | 4290 mm | 4120 mm |
| Vehicle Width | 1610 mm | 1720 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2500 mm |
