1966 Alfa Romeo Spider vs. 1971 Opel GT
To start off, 1971 Opel GT is newer by 5 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 2,582 cc (6 cylinders), 1966 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 74 more horse power than 1971 Opel GT. (89 HP @ 5200 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1971 Opel GT.
Let's talk about torque, 1966 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 68 more torque (in Nm) than 1971 Opel GT. (152 Nm @ 3400 RPM). This means 1966 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel GT.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1971 Opel GT | |
| Make | Alfa Romeo | Opel |
| Model | Spider | GT |
| Year Released | 1966 | 1971 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1900 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 89 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 220 Nm | 152 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 79.6 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4510 mm | 4120 mm |
| Vehicle Width | 1610 mm | 1590 mm |
| Vehicle Height | 1390 mm | 1230 mm |
| Wheelbase Size | 2510 mm | 2440 mm |
| Fuel Tank Capacity | 46 L | 53 L |
