1989 Isuzu Piazza vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 10 year(s). Which means there will be less support and parts availability for 1989 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1989 Isuzu Piazza would be higher. At 2,597 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (180 HP @ 6000 RPM) has 32 more horse power than 1989 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1989 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 453 kg more than 1989 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, 1999 Opel Omega (230 Nm @ 3400 RPM) has 4 more torque (in Nm) than 1989 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1989 Isuzu Piazza.
Compare all specifications:
| 1989 Isuzu Piazza | 1999 Opel Omega | |
| Make | Isuzu | Opel |
| Model | Piazza | Omega |
| Year Released | 1989 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2597 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 180 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 226 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Bore Size | 88.1 mm | 83.2 mm |
| Engine Stroke Size | 82 mm | 79.6 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 | 1733 kg |
| Vehicle Length | 4290 mm | 4900 mm |
| Vehicle Width | 1610 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1550 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
