1985 Alfa Romeo Arna vs. 1963 Alfa Romeo Spider
To start off, 1985 Alfa Romeo Arna is newer by 22 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 2,580 cc (6 cylinders), 1963 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1963 Alfa Romeo Spider (163 HP @ 5900 RPM) has 69 more horse power than 1985 Alfa Romeo Arna. (94 HP @ 5800 RPM) In normal driving conditions, 1963 Alfa Romeo Spider should accelerate faster than 1985 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 1963 Alfa Romeo Spider weights approximately 410 kg more than 1985 Alfa Romeo Arna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1963 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 90 more torque (in Nm) than 1985 Alfa Romeo Arna. (130 Nm @ 4000 RPM). This means 1963 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Arna.
Compare all specifications:
| 1985 Alfa Romeo Arna | 1963 Alfa Romeo Spider | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | Arna | Spider |
| Year Released | 1985 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 2580 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 94 HP | 163 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 130 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 67.2 mm | 79.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 920 kg | 1330 kg |
| Vehicle Length | 4010 mm | 4510 mm |
| Vehicle Width | 1630 mm | 1610 mm |
| Vehicle Height | 1350 mm | 1390 mm |
| Wheelbase Size | 2430 mm | 2510 mm |
