1987 Isuzu Piazza vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 20 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 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (168 HP @ 5200 RPM) has 20 more horse power than 1987 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1987 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 105 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, 2007 Opel Astra (251 Nm @ 1950 RPM) has 25 more torque (in Nm) than 1987 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2007 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 | 2007 Opel Astra | |
| Make | Isuzu | Opel |
| Model | Piazza | Astra |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 168 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 226 Nm | 251 Nm |
| Torque RPM | 3000 RPM | 1950 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1385 kg |
| Vehicle Length | 4290 mm | 4480 mm |
| Vehicle Width | 1610 mm | 2030 mm |
| Vehicle Height | 1330 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
