1966 Alfa Romeo Spider vs. 1984 Alfa Romeo 33
To start off, 1984 Alfa Romeo 33 is newer by 18 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 70 more horse power than 1984 Alfa Romeo 33. (93 HP @ 5750 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1984 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 1966 Alfa Romeo Spider weights approximately 415 kg more than 1984 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1966 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 90 more torque (in Nm) than 1984 Alfa Romeo 33. (130 Nm @ 4000 RPM). This means 1966 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1984 Alfa Romeo 33.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1984 Alfa Romeo 33 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | Spider | 33 |
| Year Released | 1966 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1490 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 93 HP |
| Engine RPM | 5900 RPM | 5750 RPM |
| Torque | 220 Nm | 130 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 84.1 mm |
| Engine Stroke Size | 79.6 mm | 67.2 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 915 kg |
| Vehicle Length | 4510 mm | 4150 mm |
| Vehicle Width | 1610 mm | 1620 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2410 mm |
| Fuel Tank Capacity | 46 L | 50 L |
