1989 Isuzu Piazza vs. 1973 Mercury Cougar
To start off, 1989 Isuzu Piazza is newer by 16 year(s). Which means there will be less support and parts availability for 1973 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1973 Mercury Cougar would be higher. At 5,769 cc (8 cylinders), 1973 Mercury Cougar is equipped with a bigger engine. In terms of performance, 1973 Mercury Cougar (168 HP @ 4000 RPM) has 20 more horse power than 1989 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 1973 Mercury Cougar should accelerate faster than 1989 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Cougar weights approximately 370 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, 1973 Mercury Cougar (363 Nm @ 2400 RPM) has 137 more torque (in Nm) than 1989 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 1973 Mercury Cougar will have an easier job in driving up hills or pulling heavy equipment than 1989 Isuzu Piazza.
Compare all specifications:
| 1989 Isuzu Piazza | 1973 Mercury Cougar | |
| Make | Isuzu | Mercury |
| Model | Piazza | Cougar |
| Year Released | 1989 | 1973 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 5769 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 168 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 226 Nm | 363 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Bore Size | 88.1 mm | 101.6 mm |
| Engine Stroke Size | 82 mm | 88.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1650 kg |
| Vehicle Length | 4290 mm | 5080 mm |
| Vehicle Width | 1610 mm | 1920 mm |
| Vehicle Height | 1330 mm | 1310 mm |
| Wheelbase Size | 2510 mm | 2860 mm |
