1981 Isuzu Piazza vs. 2011 Mazda 5
To start off, 2011 Mazda 5 is newer by 30 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 2,500 cc (4 cylinders), 2011 Mazda 5 is equipped with a bigger engine. In terms of performance, 2011 Mazda 5 (157 HP @ 6000 RPM) has 9 more horse power than 1981 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 2011 Mazda 5 should accelerate faster than 1981 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mazda 5 weights approximately 288 kg more than 1981 Isuzu Piazza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Isuzu Piazza (226 Nm @ 3000 RPM) has 5 more torque (in Nm) than 2011 Mazda 5. (221 Nm @ 4000 RPM). This means 1981 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2011 Mazda 5.
Compare all specifications:
| 1981 Isuzu Piazza | 2011 Mazda 5 | |
| Make | Isuzu | Mazda |
| Model | Piazza | 5 |
| Year Released | 1981 | 2011 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 157 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 226 Nm | 221 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1568 kg |
| Vehicle Length | 4290 mm | 4585 mm |
| Vehicle Width | 1610 mm | 1750 mm |
| Vehicle Height | 1330 mm | 1615 mm |
| Wheelbase Size | 2510 mm | 2751 mm |
