1983 Isuzu Piazza vs. 1987 Renault 21
To start off, 1987 Renault 21 is newer by 4 year(s). Which means there will be less support and parts availability for 1983 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1983 Isuzu Piazza would be higher. At 1,994 cc (4 cylinders), 1983 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1983 Isuzu Piazza (150 HP @ 5400 RPM) has 86 more horse power than 1987 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 1983 Isuzu Piazza should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1983 Isuzu Piazza weights approximately 175 kg more than 1987 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1983 Isuzu Piazza (225 Nm @ 3000 RPM) has 107 more torque (in Nm) than 1987 Renault 21. (118 Nm @ 2250 RPM). This means 1983 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 1983 Isuzu Piazza | 1987 Renault 21 | |
| Make | Isuzu | Renault |
| Model | Piazza | 21 |
| Year Released | 1983 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1869 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 64 HP |
| Engine RPM | 5400 RPM | 4500 RPM |
| Torque | 225 Nm | 118 Nm |
| Torque RPM | 3000 RPM | 2250 RPM |
| Engine Bore Size | 88 mm | 80 mm |
| Engine Stroke Size | 82 mm | 93 mm |
| Engine Compression Ratio | 7.9:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 4 seats | 7 seats |
| Vehicle Weight | 1280 kg | 1105 kg |
| Vehicle Length | 4290 mm | 4650 mm |
| Vehicle Width | 1610 mm | 1720 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2820 mm |
