1981 Alfa Romeo Spider vs. 1997 Alfa Romeo 155
To start off, 1997 Alfa Romeo 155 is newer by 16 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Spider would be higher. At 2,499 cc (6 cylinders), 1997 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 390 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo 155 weights approximately 40 kg more than 1981 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, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 155 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm @ 4500 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Spider.
Compare all specifications:
| 1981 Alfa Romeo Spider | 1997 Alfa Romeo 155 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | Spider | 155 |
| Year Released | 1981 | 1997 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 103 HP | 493 HP |
| Engine RPM | 5500 RPM | 11700 RPM |
| Torque | 145 Nm | 300 Nm |
| Torque RPM | 4500 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 1040 kg |
| Vehicle Width | 1640 mm | 1750 mm |
