1982 Isuzu Piazza vs. 2006 Mazda RX-8
To start off, 2006 Mazda RX-8 is newer by 24 year(s). Which means there will be less support and parts availability for 1982 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1982 Isuzu Piazza would be higher. At 1,994 cc (4 cylinders), 1982 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 2006 Mazda RX-8 (190 HP @ 7000 RPM) has 41 more horse power than 1982 Isuzu Piazza. (149 HP @ 5400 RPM) In normal driving conditions, 2006 Mazda RX-8 should accelerate faster than 1982 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mazda RX-8 weights approximately 140 kg more than 1982 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, 1982 Isuzu Piazza (225 Nm @ 3000 RPM) has 5 more torque (in Nm) than 2006 Mazda RX-8. (220 Nm @ 5000 RPM). This means 1982 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2006 Mazda RX-8.
Compare all specifications:
| 1982 Isuzu Piazza | 2006 Mazda RX-8 | |
| Make | Isuzu | Mazda |
| Model | Piazza | RX-8 |
| Year Released | 1982 | 2006 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1308 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 149 HP | 190 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 225 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 88 mm | 83 mm |
| Engine Stroke Size | 82 mm | 83.1 mm |
| Engine Compression Ratio | 7.9:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1420 kg |
| Vehicle Length | 4290 mm | 4440 mm |
| Vehicle Width | 1610 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2710 mm |
