1998 Buick Signia vs. 1986 Isuzu Piazza
To start off, 1998 Buick Signia is newer by 12 year(s). Which means there will be less support and parts availability for 1986 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1986 Isuzu Piazza would be higher. At 3,800 cc (6 cylinders), 1998 Buick Signia is equipped with a bigger engine. In terms of performance, 1998 Buick Signia (238 HP @ 5200 RPM) has 90 more horse power than 1986 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1998 Buick Signia should accelerate faster than 1986 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Signia weights approximately 456 kg more than 1986 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, 1998 Buick Signia (387 Nm @ 3600 RPM) has 161 more torque (in Nm) than 1986 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1998 Buick Signia will have an easier job in driving up hills or pulling heavy equipment than 1986 Isuzu Piazza.
Compare all specifications:
| 1998 Buick Signia | 1986 Isuzu Piazza | |
| Make | Buick | Isuzu |
| Model | Signia | Piazza |
| Year Released | 1998 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 238 HP | 148 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 387 Nm | 226 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1740 kg | 1284 kg |
| Vehicle Length | 4710 mm | 4290 mm |
| Vehicle Width | 1890 mm | 1610 mm |
| Vehicle Height | 1550 mm | 1330 mm |
| Wheelbase Size | 2860 mm | 2510 mm |
