1983 Isuzu Piazza vs. 1990 Opel Omega
To start off, 1990 Opel Omega is newer by 7 year(s). Which means there will be less support and parts availability for 1983 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1983 Isuzu Piazza would be higher. At 2,594 cc (6 cylinders), 1990 Opel Omega is equipped with a bigger engine. In terms of performance, 1983 Isuzu Piazza (150 HP @ 5400 RPM) has 1 more horse power than 1990 Opel Omega. (149 HP @ 5600 RPM). In normal driving conditions, 1983 Isuzu Piazza should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Omega weights approximately 185 kg more than 1983 Isuzu Piazza.
Let's talk about torque, 1983 Isuzu Piazza (225 Nm @ 3000 RPM) has 1 more torque (in Nm) than 1990 Opel Omega. (224 Nm @ 3600 RPM). This means 1983 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 1983 Isuzu Piazza | 1990 Opel Omega | |
| Make | Isuzu | Opel |
| Model | Piazza | Omega |
| Year Released | 1983 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2594 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 149 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 225 Nm | 224 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1280 kg | 1465 kg |
| Vehicle Length | 4290 mm | 4740 mm |
| Vehicle Width | 1610 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1490 mm |
| Wheelbase Size | 2510 mm | 2740 mm |
