1967 Alfa Romeo Spider vs. 1957 Morris Isis
To start off, 1967 Alfa Romeo Spider is newer by 10 year(s). Which means there will be less support and parts availability for 1957 Morris Isis. In addition, the cost of maintenance, including insurance, on 1957 Morris Isis would be higher. At 2,639 cc (6 cylinders), 1957 Morris Isis is equipped with a bigger engine. In terms of performance, 1967 Alfa Romeo Spider (163 HP @ 5900 RPM) has 78 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1967 Alfa Romeo Spider should accelerate faster than 1957 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1967 Alfa Romeo Spider weights approximately 15 kg more than 1957 Morris Isis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1967 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 51 more torque (in Nm) than 1957 Morris Isis. (169 Nm @ 2000 RPM). This means 1967 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1957 Morris Isis.
Compare all specifications:
| 1967 Alfa Romeo Spider | 1957 Morris Isis | |
| Make | Alfa Romeo | Morris |
| Model | Spider | Isis |
| Year Released | 1967 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2639 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 85 HP |
| Engine RPM | 5900 RPM | 4250 RPM |
| Torque | 220 Nm | 169 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 79.4 mm |
| Engine Stroke Size | 79.6 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1330 kg | 1315 kg |
| Vehicle Length | 4510 mm | 4530 mm |
| Vehicle Width | 1610 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2510 mm | 2470 mm |
