1963 Alfa Romeo Spider vs. 1971 Jensen SP
To start off, 1971 Jensen SP is newer by 8 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 7,206 cc (8 cylinders), 1971 Jensen SP is equipped with a bigger engine. In terms of performance, 1971 Jensen SP (385 HP @ 4700 RPM) has 222 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1971 Jensen SP should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1971 Jensen SP weights approximately 453 kg more than 1963 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, 1971 Jensen SP (557 Nm @ 3600 RPM) has 337 more torque (in Nm) than 1963 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1971 Jensen SP will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Spider.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1971 Jensen SP | |
| Make | Alfa Romeo | Jensen |
| Model | Spider | SP |
| Year Released | 1963 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 7206 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 385 HP |
| Engine RPM | 5900 RPM | 4700 RPM |
| Torque | 220 Nm | 557 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 109.7 mm |
| Engine Stroke Size | 79.6 mm | 95.3 mm |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1783 kg |
| Vehicle Length | 4510 mm | 4780 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2510 mm | 2670 mm |
| Fuel Tank Capacity | 52 L | 75 L |
