1965 Alfa Romeo Spider vs. 1973 AC 428
To start off, 1973 AC 428 is newer by 8 year(s). Which means there will be less support and parts availability for 1965 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1965 Alfa Romeo Spider would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 135 more horse power than 1965 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1973 AC 428 should accelerate faster than 1965 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 100 kg more than 1965 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 419 more torque (in Nm) than 1965 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1965 Alfa Romeo Spider.
Compare all specifications:
| 1965 Alfa Romeo Spider | 1973 AC 428 | |
| Make | Alfa Romeo | AC |
| Model | Spider | 428 |
| Year Released | 1965 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 7002 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 298 HP |
| Engine RPM | 5900 RPM | 4600 RPM |
| Torque | 220 Nm | 639 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1430 kg |
| Vehicle Length | 4510 mm | 4430 mm |
| Vehicle Width | 1610 mm | 1710 mm |
| Vehicle Height | 1390 mm | 1310 mm |
| Wheelbase Size | 2510 mm | 2450 mm |
