1970 Alfa Romeo GTA vs. 1973 Tatra T603
To start off, 1973 Tatra T603 is newer by 3 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo GTA. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo GTA would be higher. At 2,470 cc (8 cylinders), 1973 Tatra T603 is equipped with a bigger engine. In terms of performance, 1973 Tatra T603 (104 HP @ 4500 RPM) has 11 more horse power than 1970 Alfa Romeo GTA. (93 HP @ 6000 RPM) In normal driving conditions, 1973 Tatra T603 should accelerate faster than 1970 Alfa Romeo GTA. With that said, vehicle weight also plays an important factor in acceleration. 1973 Tatra T603 weights approximately 680 kg more than 1970 Alfa Romeo GTA. 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, 1973 Tatra T603 (170 Nm @ 3500 RPM) has 30 more torque (in Nm) than 1970 Alfa Romeo GTA. (140 Nm @ 3200 RPM). This means 1973 Tatra T603 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo GTA.
Compare all specifications:
| 1970 Alfa Romeo GTA | 1973 Tatra T603 | |
| Make | Alfa Romeo | Tatra |
| Model | GTA | T603 |
| Year Released | 1970 | 1973 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 2470 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 93 HP | 104 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 140 Nm | 170 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 790 kg | 1470 kg |
| Vehicle Length | 4090 mm | 5070 mm |
| Vehicle Width | 1590 mm | 1920 mm |
| Vehicle Height | 1320 mm | 1540 mm |
| Wheelbase Size | 2360 mm | 2760 mm |
