1992 Daihatsu Opti vs. 1972 Plymouth Valiant
To start off, 1992 Daihatsu Opti is newer by 20 year(s). Which means there will be less support and parts availability for 1972 Plymouth Valiant. In addition, the cost of maintenance, including insurance, on 1972 Plymouth Valiant would be higher. At 3,678 cc (6 cylinders), 1972 Plymouth Valiant is equipped with a bigger engine. In terms of performance, 1972 Plymouth Valiant (109 HP @ 4000 RPM) has 53 more horse power than 1992 Daihatsu Opti. (56 HP @ 7600 RPM) In normal driving conditions, 1972 Plymouth Valiant should accelerate faster than 1992 Daihatsu Opti. With that said, vehicle weight also plays an important factor in acceleration. 1972 Plymouth Valiant weights approximately 550 kg more than 1992 Daihatsu Opti. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 Plymouth Valiant is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1972 Plymouth Valiant. However, in wet, icy, snow, or gravel driving conditions, 1992 Daihatsu Opti, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1972 Plymouth Valiant (251 Nm @ 2000 RPM) has 187 more torque (in Nm) than 1992 Daihatsu Opti. (64 Nm @ 4000 RPM). This means 1972 Plymouth Valiant will have an easier job in driving up hills or pulling heavy equipment than 1992 Daihatsu Opti.
Compare all specifications:
| 1992 Daihatsu Opti | 1972 Plymouth Valiant | |
| Make | Daihatsu | Plymouth |
| Model | Opti | Valiant |
| Year Released | 1992 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 659 cc | 3678 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 109 HP |
| Engine RPM | 7600 RPM | 4000 RPM |
| Torque | 64 Nm | 251 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 68 mm | 86.4 mm |
| Engine Stroke Size | 60.5 mm | 104.6 mm |
| Engine Compression Ratio | 10.5:1 | 8.4:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 760 kg | 1310 kg |
| Vehicle Length | 3400 mm | 4790 mm |
| Vehicle Width | 1480 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1390 mm |
| Wheelbase Size | 2370 mm | 2750 mm |
| Fuel Tank Capacity | 40 L | 60 L |
