1974 AC 428 vs. 1982 Mazda 323
To start off, 1982 Mazda 323 is newer by 8 year(s). Which means there will be less support and parts availability for 1974 AC 428. In addition, the cost of maintenance, including insurance, on 1974 AC 428 would be higher. At 7,003 cc (8 cylinders), 1974 AC 428 is equipped with a bigger engine. In terms of performance, 1974 AC 428 (298 HP @ 4600 RPM) has 245 more horse power than 1982 Mazda 323. (53 HP @ 6000 RPM). In normal driving conditions, 1974 AC 428 should accelerate faster than 1982 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 1974 AC 428 weights approximately 580 kg more than 1982 Mazda 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1974 AC 428 (639 Nm @ 2800 RPM) has 559 more torque (in Nm) than 1982 Mazda 323. (80 Nm @ 4000 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1982 Mazda 323.
Compare all specifications:
| 1974 AC 428 | 1982 Mazda 323 | |
| Make | AC | Mazda |
| Model | 428 | 323 |
| Year Released | 1974 | 1982 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1071 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 53 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 639 Nm | 80 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1430 kg | 850 kg |
| Vehicle Length | 4430 mm | 3960 mm |
| Vehicle Width | 1710 mm | 1640 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2370 mm |
