1972 Plymouth Valiant vs. 1966 Tatra T603
To start off, 1972 Plymouth Valiant is newer by 6 year(s). Which means there will be less support and parts availability for 1966 Tatra T603. In addition, the cost of maintenance, including insurance, on 1966 Tatra T603 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 5 more horse power than 1966 Tatra T603. (104 HP @ 4500 RPM). In normal driving conditions, 1972 Plymouth Valiant should accelerate faster than 1966 Tatra T603. With that said, vehicle weight also plays an important factor in acceleration. 1966 Tatra T603 weights approximately 160 kg more than 1972 Plymouth Valiant.
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 (251 Nm @ 2000 RPM) has 81 more torque (in Nm) than 1966 Tatra T603. (170 Nm @ 3500 RPM). This means 1972 Plymouth Valiant will have an easier job in driving up hills or pulling heavy equipment than 1966 Tatra T603.
Compare all specifications:
| 1972 Plymouth Valiant | 1966 Tatra T603 | |
| Make | Plymouth | Tatra |
| Model | Valiant | T603 |
| Year Released | 1972 | 1966 |
| Engine Position | Front | Rear |
| Engine Size | 3678 cc | 2472 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 109 HP | 104 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 251 Nm | 170 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1470 kg |
| Vehicle Length | 4790 mm | 5070 mm |
| Vehicle Width | 1820 mm | 1920 mm |
| Vehicle Height | 1390 mm | 1540 mm |
| Wheelbase Size | 2750 mm | 2760 mm |
