1991 Infiniti Q45 vs. 1989 Isuzu Piazza
To start off, 1991 Infiniti Q45 is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1989 Isuzu Piazza would be higher. At 4,494 cc (8 cylinders), 1991 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1991 Infiniti Q45 (277 HP @ 6000 RPM) has 129 more horse power than 1989 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1991 Infiniti Q45 should accelerate faster than 1989 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1991 Infiniti Q45 weights approximately 470 kg more than 1989 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, 1991 Infiniti Q45 (397 Nm @ 4000 RPM) has 171 more torque (in Nm) than 1989 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1991 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1989 Isuzu Piazza.
Compare all specifications:
| 1991 Infiniti Q45 | 1989 Isuzu Piazza | |
| Make | Infiniti | Isuzu |
| Model | Q45 | Piazza |
| Year Released | 1991 | 1989 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 277 HP | 148 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 397 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 88.1 mm |
| Engine Stroke Size | 82.7 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1750 kg | 1280 kg |
| Vehicle Length | 5080 mm | 4290 mm |
| Vehicle Width | 1830 mm | 1610 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2510 mm |
