1966 Alfa Romeo Spider vs. 1956 Aston Martin DB3
To start off, 1966 Alfa Romeo Spider is newer by 10 year(s). Which means there will be less support and parts availability for 1956 Aston Martin DB3. In addition, the cost of maintenance, including insurance, on 1956 Aston Martin DB3 would be higher. At 2,922 cc (6 cylinders), 1956 Aston Martin DB3 is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 25 more horse power than 1956 Aston Martin DB3. (138 HP @ 5500 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1956 Aston Martin DB3. With that said, vehicle weight also plays an important factor in acceleration. 1966 Alfa Romeo Spider weights approximately 325 kg more than 1956 Aston Martin DB3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1956 Aston Martin DB3 (243 Nm @ 5500 RPM) has 23 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1956 Aston Martin DB3 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Spider.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1956 Aston Martin DB3 | |
| Make | Alfa Romeo | Aston Martin |
| Model | Spider | DB3 |
| Year Released | 1966 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2922 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 138 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 220 Nm | 243 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1005 kg |
| Vehicle Width | 1610 mm | 1510 mm |
