1987 Isuzu Piazza vs. 1967 Opel Commodore
To start off, 1987 Isuzu Piazza is newer by 20 year(s). Which means there will be less support and parts availability for 1967 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1967 Opel Commodore would be higher. At 2,488 cc (6 cylinders), 1967 Opel Commodore is equipped with a bigger engine. In terms of performance, 1987 Isuzu Piazza (148 HP @ 5400 RPM) has 34 more horse power than 1967 Opel Commodore. (114 HP @ 5200 RPM). In normal driving conditions, 1987 Isuzu Piazza should accelerate faster than 1967 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1987 Isuzu Piazza weights approximately 110 kg more than 1967 Opel Commodore. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Isuzu Piazza (226 Nm @ 3000 RPM) has 52 more torque (in Nm) than 1967 Opel Commodore. (174 Nm @ 3800 RPM). This means 1987 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1967 Opel Commodore.
Compare all specifications:
| 1987 Isuzu Piazza | 1967 Opel Commodore | |
| Make | Isuzu | Opel |
| Model | Piazza | Commodore |
| Year Released | 1987 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2488 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 114 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 226 Nm | 174 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 88 mm | 87 mm |
| Engine Stroke Size | 82 mm | 69.8 mm |
| Engine Compression Ratio | 7.9:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1170 kg |
| Vehicle Length | 4290 mm | 4580 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2510 mm | 2670 mm |
