1987 Ford Sierra vs. 1986 Isuzu Piazza
To start off, 1987 Ford Sierra is newer by 1 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 1,994 cc (4 cylinders), 1986 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 56 more horse power than 1986 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1986 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1986 Isuzu Piazza weights approximately 34 kg more than 1987 Ford Sierra.
Let's talk about torque, 1987 Ford Sierra (277 Nm @ 4500 RPM) has 51 more torque (in Nm) than 1986 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1986 Isuzu Piazza.
Compare all specifications:
| 1987 Ford Sierra | 1986 Isuzu Piazza | |
| Make | Ford | Isuzu |
| Model | Sierra | Piazza |
| Year Released | 1987 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 204 HP | 148 HP |
| Engine RPM | 6250 RPM | 5400 RPM |
| Torque | 277 Nm | 226 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 90.8 mm | 88 mm |
| Engine Stroke Size | 77 mm | 82 mm |
| Engine Compression Ratio | 8.0:1 | 7.9:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1250 kg | 1284 kg |
| Vehicle Length | 4470 mm | 4290 mm |
| Vehicle Width | 1710 mm | 1610 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
