1984 Ford Sierra vs. 1986 Isuzu Piazza
To start off, 1986 Isuzu Piazza is newer by 2 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 1,994 cc (4 cylinders), 1986 Isuzu Piazza is equipped with a bigger engine. In terms of performance, 1986 Isuzu Piazza (148 HP @ 5400 RPM) has 42 more horse power than 1984 Ford Sierra. (106 HP @ 5200 RPM) In normal driving conditions, 1986 Isuzu Piazza should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Isuzu Piazza weights approximately 136 kg more than 1984 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 69 more torque (in Nm) than 1984 Ford Sierra. (157 Nm @ 4000 RPM). This means 1986 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1986 Isuzu Piazza | |
| Make | Ford | Isuzu |
| Model | Sierra | Piazza |
| Year Released | 1984 | 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 | 106 HP | 148 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 157 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 90.8 mm | 88 mm |
| Engine Stroke Size | 77 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 7.9:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1148 kg | 1284 kg |
| Vehicle Length | 4430 mm | 4290 mm |
| Vehicle Width | 1730 mm | 1610 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2510 mm |
