1981 Isuzu Piazza vs. 2005 Opel Zafira
To start off, 2005 Opel Zafira is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1981 Isuzu Piazza would be higher. At 1,995 cc (4 cylinders), 2005 Opel Zafira is equipped with a bigger engine. In terms of performance, 1981 Isuzu Piazza (148 HP @ 5400 RPM) has 49 more horse power than 2005 Opel Zafira. (99 HP @ 4300 RPM). In normal driving conditions, 1981 Isuzu Piazza should accelerate faster than 2005 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Zafira weights approximately 223 kg more than 1981 Isuzu Piazza.
Let's talk about torque, 2005 Opel Zafira (230 Nm @ 1950 RPM) has 4 more torque (in Nm) than 1981 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2005 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1981 Isuzu Piazza.
Compare all specifications:
| 1981 Isuzu Piazza | 2005 Opel Zafira | |
| Make | Isuzu | Opel |
| Model | Piazza | Zafira |
| Year Released | 1981 | 2005 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 99 HP |
| Engine RPM | 5400 RPM | 4300 RPM |
| Torque | 226 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 1950 RPM |
| Engine Bore Size | 88 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1503 kg |
| Vehicle Length | 4290 mm | 4320 mm |
| Vehicle Width | 1610 mm | 1750 mm |
| Vehicle Height | 1330 mm | 1640 mm |
| Wheelbase Size | 2510 mm | 2710 mm |
