1987 Buick Riviera vs. 1984 Isuzu Piazza
To start off, 1987 Buick Riviera is newer by 3 year(s). Which means there will be less support and parts availability for 1984 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1984 Isuzu Piazza would be higher. At 3,791 cc (6 cylinders), 1987 Buick Riviera is equipped with a bigger engine. In terms of performance, 1987 Buick Riviera (150 HP @ 4400 RPM) has 2 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1987 Buick Riviera should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1987 Buick Riviera weights approximately 221 kg more than 1984 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, 1987 Buick Riviera (271 Nm @ 2000 RPM) has 45 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1987 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 1987 Buick Riviera | 1984 Isuzu Piazza | |
| Make | Buick | Isuzu |
| Model | Riviera | Piazza |
| Year Released | 1987 | 1984 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 148 HP |
| Engine RPM | 4400 RPM | 5400 RPM |
| Torque | 271 Nm | 226 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 96.5 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 8.0:1 | 7.9:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1501 kg | 1280 kg |
| Vehicle Length | 4760 mm | 4290 mm |
| Vehicle Width | 1860 mm | 1610 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
