1973 AC 428 vs. 1997 Alfa Romeo 155
To start off, 1997 Alfa Romeo 155 is newer by 24 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 195 more horse power than 1973 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 390 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 1973 AC 428 (639 Nm @ 2800 RPM) has 339 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1973 AC 428 | 1997 Alfa Romeo 155 | |
| Make | AC | Alfa Romeo |
| Model | 428 | 155 |
| Year Released | 1973 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 2499 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 493 HP |
| Engine RPM | 4600 RPM | 11700 RPM |
| Torque | 639 Nm | 300 Nm |
| Torque RPM | 2800 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1040 kg |
| Vehicle Width | 1710 mm | 1750 mm |
