1968 Alfa Romeo Spider vs. 1966 Tatra T603
To start off, 1968 Alfa Romeo Spider is newer by 2 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 2,580 cc (6 cylinders), 1968 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1968 Alfa Romeo Spider (163 HP @ 5900 RPM) has 59 more horse power than 1966 Tatra T603. (104 HP @ 4500 RPM). In normal driving conditions, 1968 Alfa Romeo Spider should accelerate faster than 1966 Tatra T603. With that said, vehicle weight also plays an important factor in acceleration. 1966 Tatra T603 weights approximately 140 kg more than 1968 Alfa Romeo Spider.
Let's talk about torque, 1968 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 50 more torque (in Nm) than 1966 Tatra T603. (170 Nm @ 3500 RPM). This means 1968 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1966 Tatra T603.
Compare all specifications:
| 1968 Alfa Romeo Spider | 1966 Tatra T603 | |
| Make | Alfa Romeo | Tatra |
| Model | Spider | T603 |
| Year Released | 1968 | 1966 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 2580 cc | 2472 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 163 HP | 104 HP |
| Engine RPM | 5900 RPM | 4500 RPM |
| Torque | 220 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1470 kg |
| Vehicle Length | 4510 mm | 5070 mm |
| Vehicle Width | 1610 mm | 1920 mm |
| Vehicle Height | 1390 mm | 1540 mm |
| Wheelbase Size | 2510 mm | 2760 mm |
