1967 AC 428 vs. 1974 Fiat 128
To start off, 1974 Fiat 128 is newer by 7 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 282 more horse power than 1974 Fiat 128. (63 HP @ 6000 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1974 Fiat 128. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 663 kg more than 1974 Fiat 128. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1967 AC 428 (626 Nm @ 2800 RPM) has 543 more torque (in Nm) than 1974 Fiat 128. (83 Nm @ 4400 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1974 Fiat 128.
Compare all specifications:
| 1967 AC 428 | 1974 Fiat 128 | |
| Make | AC | Fiat |
| Model | 428 | 128 |
| Year Released | 1967 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1116 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 345 HP | 63 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 626 Nm | 83 Nm |
| Torque RPM | 2800 RPM | 4400 RPM |
| Engine Bore Size | 105 mm | 80.1 mm |
| Engine Stroke Size | 101.2 mm | 55.5 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1483 kg | 820 kg |
| Vehicle Length | 4520 mm | 3820 mm |
| Vehicle Width | 1710 mm | 1570 mm |
| Vehicle Height | 1260 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2240 mm |
| Fuel Tank Capacity | 85 L | 50 L |
