1999 Buick Riviera vs. 1984 Isuzu Piazza
To start off, 1999 Buick Riviera is newer by 15 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), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 1999 Buick Riviera (205 HP @ 5200 RPM) has 57 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1999 Buick Riviera should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 420 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, 1999 Buick Riviera (312 Nm @ 4000 RPM) has 86 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 1999 Buick Riviera | 1984 Isuzu Piazza | |
| Make | Buick | Isuzu |
| Model | Riviera | Piazza |
| Year Released | 1999 | 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 | 205 HP | 148 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 312 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 96.5 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 9.4:1 | 7.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1700 kg | 1280 kg |
| Vehicle Length | 5270 mm | 4290 mm |
| Vehicle Width | 1910 mm | 1610 mm |
| Vehicle Height | 1400 mm | 1330 mm |
