1987 Isuzu Piazza vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 17 year(s). Which means there will be less support and parts availability for 1987 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1987 Isuzu Piazza would be higher. At 1,994 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 49 more horse power than 1987 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 1987 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 106 kg more than 1987 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, 2004 Opel Astra (262 Nm @ 4200 RPM) has 36 more torque (in Nm) than 1987 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1987 Isuzu Piazza.
Compare all specifications:
| 1987 Isuzu Piazza | 2004 Opel Astra | |
| Make | Isuzu | Opel |
| Model | Piazza | Astra |
| Year Released | 1987 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 197 HP |
| Engine RPM | 5400 RPM | 5400 RPM |
| Torque | 226 Nm | 262 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Engine Compression Ratio | 7.9:1 | 8.8:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1386 kg |
| Vehicle Length | 4290 mm | 4260 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2740 mm |
