1970 Ginetta G21 vs. 1982 Isuzu Piazza
To start off, 1982 Isuzu Piazza is newer by 12 year(s). Which means there will be less support and parts availability for 1970 Ginetta G21. In addition, the cost of maintenance, including insurance, on 1970 Ginetta G21 would be higher. At 2,994 cc (6 cylinders), 1970 Ginetta G21 is equipped with a bigger engine. In terms of performance, 1982 Isuzu Piazza (149 HP @ 5400 RPM) has 21 more horse power than 1970 Ginetta G21. (128 HP @ 4750 RPM) In normal driving conditions, 1982 Isuzu Piazza should accelerate faster than 1970 Ginetta G21. With that said, vehicle weight also plays an important factor in acceleration. 1982 Isuzu Piazza weights approximately 409 kg more than 1970 Ginetta G21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1970 Ginetta G21 (235 Nm @ 3000 RPM) has 10 more torque (in Nm) than 1982 Isuzu Piazza. (225 Nm @ 3000 RPM). This means 1970 Ginetta G21 will have an easier job in driving up hills or pulling heavy equipment than 1982 Isuzu Piazza.
Compare all specifications:
| 1970 Ginetta G21 | 1982 Isuzu Piazza | |
| Make | Ginetta | Isuzu |
| Model | G21 | Piazza |
| Year Released | 1970 | 1982 |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 128 HP | 149 HP |
| Engine RPM | 4750 RPM | 5400 RPM |
| Torque | 235 Nm | 225 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 93.7 mm | 88 mm |
| Engine Stroke Size | 72.4 mm | 82 mm |
| Engine Compression Ratio | 8.9:1 | 7.9:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 871 kg | 1280 kg |
| Vehicle Length | 3980 mm | 4290 mm |
| Vehicle Width | 1610 mm | 1610 mm |
| Vehicle Height | 1170 mm | 1330 mm |
| Wheelbase Size | 2320 mm | 2510 mm |
