2003 Buick Regal vs. 1989 Isuzu Piazza
To start off, 2003 Buick Regal is newer by 14 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 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Buick Regal (197 HP @ 5200 RPM) has 49 more horse power than 1989 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 1989 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 280 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, 2003 Buick Regal (312 Nm @ 4000 RPM) has 86 more torque (in Nm) than 1989 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1989 Isuzu Piazza.
Compare all specifications:
| 2003 Buick Regal | 1989 Isuzu Piazza | |
| Make | Buick | Isuzu |
| Model | Regal | Piazza |
| Year Released | 2003 | 1989 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 197 HP | 148 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 312 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 97 mm | 88.1 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.4:1 | 7.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1560 kg | 1280 kg |
| Vehicle Length | 4990 mm | 4290 mm |
| Vehicle Width | 1850 mm | 1610 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2780 mm | 2510 mm |
