1978 Opel Senator vs. 1975 Tatra T603
To start off, 1978 Opel Senator is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Tatra T603. In addition, the cost of maintenance, including insurance, on 1975 Tatra T603 would be higher. At 2,472 cc (8 cylinders), 1975 Tatra T603 is equipped with a bigger engine. In terms of performance, 1978 Opel Senator (115 HP @ 5600 RPM) has 11 more horse power than 1975 Tatra T603. (104 HP @ 4500 RPM). In normal driving conditions, 1978 Opel Senator should accelerate faster than 1975 Tatra T603. With that said, vehicle weight also plays an important factor in acceleration. 1975 Tatra T603 weights approximately 135 kg more than 1978 Opel Senator.
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, 1975 Tatra T603 (170 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1978 Opel Senator. (160 Nm @ 4200 RPM). This means 1975 Tatra T603 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1978 Opel Senator | 1975 Tatra T603 | |
| Make | Opel | Tatra |
| Model | Senator | T603 |
| Year Released | 1978 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 1979 cc | 2472 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 104 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 160 Nm | 170 Nm |
| Torque RPM | 4200 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1470 kg |
| Vehicle Length | 4850 mm | 5070 mm |
| Vehicle Width | 1730 mm | 1920 mm |
| Vehicle Height | 1390 mm | 1540 mm |
| Wheelbase Size | 2690 mm | 2760 mm |
