1971 Buick Riviera vs. 1984 Isuzu Piazza
To start off, 1984 Isuzu Piazza is newer by 13 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 163 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 760 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 391 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 1971 Buick Riviera | 1984 Isuzu Piazza | |
| Make | Buick | Isuzu |
| Model | Riviera | Piazza |
| Year Released | 1971 | 1984 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 311 HP | 148 HP |
| Engine RPM | 4200 RPM | 5400 RPM |
| Torque | 617 Nm | 226 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Engine Compression Ratio | 8.3:1 | 7.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 2040 kg | 1280 kg |
| Vehicle Length | 5560 mm | 4290 mm |
| Vehicle Width | 2040 mm | 1610 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 3110 mm | 2510 mm |
