1966 Innocenti J4 vs. 1998 Alfa Romeo 155
To start off, 1998 Alfa Romeo 155 is newer by 32 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 2,499 cc (6 cylinders), 1998 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 437 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 155 weights approximately 190 kg more than 1966 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1998 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 218 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 1998 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
| 1966 Innocenti J4 | 1998 Alfa Romeo 155 | |
| Make | Innocenti | Alfa Romeo |
| Model | J4 | 155 |
| Year Released | 1966 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 493 HP |
| Engine RPM | 5600 RPM | 11700 RPM |
| Torque | 82 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 850 kg | 1040 kg |
| Vehicle Width | 1540 mm | 1750 mm |
