1986 Isuzu Piazza vs. 2003 Opel Omega
To start off, 2003 Opel Omega is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1986 Isuzu Piazza would be higher. At 2,198 cc (4 cylinders), 2003 Opel Omega is equipped with a bigger engine. In terms of performance, 1986 Isuzu Piazza (148 HP @ 5400 RPM) has 5 more horse power than 2003 Opel Omega. (143 HP @ 5400 RPM). In normal driving conditions, 1986 Isuzu Piazza should accelerate faster than 2003 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Omega weights approximately 449 kg more than 1986 Isuzu Piazza.
Let's talk about torque, 1986 Isuzu Piazza (226 Nm @ 3000 RPM) has 17 more torque (in Nm) than 2003 Opel Omega. (209 Nm @ 4000 RPM). This means 1986 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Omega.
Compare all specifications:
| 1986 Isuzu Piazza | 2003 Opel Omega | |
| Make | Isuzu | Opel |
| Model | Piazza | Omega |
| Year Released | 1986 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 143 HP |
| Engine RPM | 5400 RPM | 5400 RPM |
| Torque | 226 Nm | 209 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1284 kg | 1733 kg |
| Vehicle Length | 4290 mm | 4830 mm |
| Vehicle Width | 1610 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1460 mm |
| Wheelbase Size | 2510 mm | 2850 mm |
