1942 Aston Martin Atom vs. 1955 Tatra T603
To start off, 1955 Tatra T603 is newer by 13 year(s). Which means there will be less support and parts availability for 1942 Aston Martin Atom. In addition, the cost of maintenance, including insurance, on 1942 Aston Martin Atom would be higher. At 2,545 cc (8 cylinders), 1955 Tatra T603 is equipped with a bigger engine. In terms of performance, 1955 Tatra T603 (94 HP @ 5000 RPM) has 13 more horse power than 1942 Aston Martin Atom. (81 HP @ 5000 RPM) In normal driving conditions, 1955 Tatra T603 should accelerate faster than 1942 Aston Martin Atom. With that said, vehicle weight also plays an important factor in acceleration. 1955 Tatra T603 weights approximately 250 kg more than 1942 Aston Martin Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1942 Aston Martin Atom | 1955 Tatra T603 | |
| Make | Aston Martin | Tatra |
| Model | Atom | T603 |
| Year Released | 1942 | 1955 |
| Engine Position | Front | Rear |
| Engine Size | 1950 cc | 2545 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 81 HP | 94 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1220 kg | 1470 kg |
