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 1,993 cc (4 cylinders), 1987 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1987 Isuzu Piazza (148 HP @ 5400 RPM) has 49 more horse power than 2007 Opel Astra. (99 HP @ 4400 RPM). In normal driving conditions, 1987 Isuzu Piazza should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 85 kg more than 1987 Isuzu Piazza.
Let's talk about torque, 2007 Opel Astra (240 Nm @ 2300 RPM) has 14 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 | 1685 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 99 HP |
| Engine RPM | 5400 RPM | 4400 RPM |
| Torque | 226 Nm | 240 Nm |
| Torque RPM | 3000 RPM | 2300 RPM |
| Engine Bore Size | 88 mm | 79 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Engine Compression Ratio | 7.9:1 | 18.4:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1365 kg |
| Vehicle Length | 4290 mm | 4260 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
