1989 Ford Sierra vs. 1986 Isuzu Piazza
To start off, 1989 Ford Sierra is newer by 3 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 1,998 cc (4 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Isuzu Piazza (148 HP @ 5400 RPM) has 23 more horse power than 1989 Ford Sierra. (125 HP @ 5600 RPM) In normal driving conditions, 1986 Isuzu Piazza should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Isuzu Piazza weights approximately 156 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1986 Isuzu Piazza (226 Nm @ 3000 RPM) has 52 more torque (in Nm) than 1989 Ford Sierra. (174 Nm @ 2500 RPM). This means 1986 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 1986 Isuzu Piazza | |
| Make | Ford | Isuzu |
| Model | Sierra | Piazza |
| Year Released | 1989 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 148 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 174 Nm | 226 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 88 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 10.3:1 | 7.9:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1128 kg | 1284 kg |
| Vehicle Length | 4430 mm | 4290 mm |
| Vehicle Width | 1700 mm | 1610 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2530 mm | 2510 mm |
