1966 Alfa Romeo Spider vs. 1991 Porsche 968
To start off, 1991 Porsche 968 is newer by 25 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 2,989 cc (4 cylinders), 1991 Porsche 968 is equipped with a bigger engine. In terms of performance, 1991 Porsche 968 (240 HP @ 6200 RPM) has 77 more horse power than 1966 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1991 Porsche 968 should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 968 weights approximately 70 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, 1991 Porsche 968 (305 Nm @ 4100 RPM) has 85 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1991 Porsche 968 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 | 1991 Porsche 968 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 968 |
| Year Released | 1966 | 1991 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2989 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 240 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 220 Nm | 305 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 83 mm | 104 mm |
| Engine Stroke Size | 79.6 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1400 kg |
| Vehicle Length | 4510 mm | 4330 mm |
| Vehicle Width | 1610 mm | 1740 mm |
| Vehicle Height | 1390 mm | 1270 mm |
| Wheelbase Size | 2510 mm | 2510 mm |
| Fuel Tank Capacity | 46 L | 92 L |
