1987 Ford Sierra vs. 1972 Plymouth Valiant
To start off, 1987 Ford Sierra is newer by 15 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 5,210 cc (8 cylinders), 1972 Plymouth Valiant is equipped with a bigger engine. In terms of performance, 1972 Plymouth Valiant (150 HP @ 4000 RPM) has 84 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 1972 Plymouth Valiant should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1972 Plymouth Valiant weights approximately 170 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (359 Nm @ 1600 RPM) has 217 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 1972 Plymouth Valiant will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1972 Plymouth Valiant | |
| Make | Ford | Plymouth |
| Model | Sierra | Valiant |
| Year Released | 1987 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 5210 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 150 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 142 Nm | 359 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1170 kg | 1340 kg |
| Vehicle Length | 4430 mm | 4800 mm |
| Vehicle Width | 1700 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
