1986 Isuzu Piazza vs. 1981 Mazda Cosmo
To start off, 1986 Isuzu Piazza is newer by 5 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 2,292 cc (2 cylinders), 1981 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 1986 Isuzu Piazza (148 HP @ 5400 RPM) has 28 more horse power than 1981 Mazda Cosmo. (120 HP @ 7000 RPM). In normal driving conditions, 1986 Isuzu Piazza should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1986 Isuzu Piazza weights approximately 134 kg more than 1981 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1986 Isuzu Piazza (226 Nm @ 3000 RPM) has 64 more torque (in Nm) than 1981 Mazda Cosmo. (162 Nm @ 4000 RPM). This means 1986 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo.
Compare all specifications:
| 1986 Isuzu Piazza | 1981 Mazda Cosmo | |
| Make | Isuzu | Mazda |
| Model | Piazza | Cosmo |
| Year Released | 1986 | 1981 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2292 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 226 Nm | 162 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1284 kg | 1150 kg |
| Vehicle Length | 4290 mm | 4670 mm |
| Vehicle Width | 1610 mm | 1700 mm |
| Vehicle Height | 1330 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
