1955 Aston Martin DB3 vs. 1973 Cadillac Calais
To start off, 1973 Cadillac Calais is newer by 18 year(s). Which means there will be less support and parts availability for 1955 Aston Martin DB3. In addition, the cost of maintenance, including insurance, on 1955 Aston Martin DB3 would be higher. At 7,734 cc (8 cylinders), 1973 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1973 Cadillac Calais (208 HP @ 4400 RPM) has 70 more horse power than 1955 Aston Martin DB3. (138 HP @ 5500 RPM) In normal driving conditions, 1973 Cadillac Calais should accelerate faster than 1955 Aston Martin DB3. With that said, vehicle weight also plays an important factor in acceleration. 1973 Cadillac Calais weights approximately 1240 kg more than 1955 Aston Martin DB3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1955 Aston Martin DB3 | 1973 Cadillac Calais | |
| Make | Aston Martin | Cadillac |
| Model | DB3 | Calais |
| Year Released | 1955 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2922 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 208 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1005 kg | 2245 kg |
