1966 Alfa Romeo Spider vs. 1973 Ferrari 365 GT4
To start off, 1973 Ferrari 365 GT4 is newer by 7 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 4,390 cc (12 cylinders), 1973 Ferrari 365 GT4 is equipped with a bigger engine. In terms of performance, 1973 Ferrari 365 GT4 (380 HP) has 217 more horse power than 1966 Alfa Romeo Spider. (163 HP) In normal driving conditions, 1973 Ferrari 365 GT4 should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 Ferrari 365 GT4 weights approximately 303 kg more than 1966 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 Ferrari 365 GT4 (434 Nm) has 214 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm). This means 1973 Ferrari 365 GT4 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 | 1973 Ferrari 365 GT4 | |
| Make | Alfa Romeo | Ferrari |
| Model | Spider | 365 GT4 |
| Year Released | 1966 | 1973 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 380 HP |
| Torque | 220 Nm | 434 Nm |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 79.6 mm | 71.1 mm |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1633 kg |
| Vehicle Length | 4510 mm | 4820 mm |
| Vehicle Width | 1610 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1320 mm |
| Wheelbase Size | 2510 mm | 2710 mm |
