1970 AC 428 vs. 1955 Austin A 55
To start off, 1970 AC 428 is newer by 15 year(s). Which means there will be less support and parts availability for 1955 Austin A 55. In addition, the cost of maintenance, including insurance, on 1955 Austin A 55 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 1970 AC 428 (298 HP @ 4600 RPM) has 247 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM). In normal driving conditions, 1970 AC 428 should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1970 AC 428 weights approximately 375 kg more than 1955 Austin A 55. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1970 AC 428 (640 Nm @ 2800 RPM) has 530 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55.
Compare all specifications:
| 1970 AC 428 | 1955 Austin A 55 | |
| Make | AC | Austin |
| Model | 428 | A 55 |
| Year Released | 1970 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1489 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 51 HP |
| Engine RPM | 4600 RPM | 4250 RPM |
| Torque | 640 Nm | 110 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1055 kg |
| Vehicle Length | 4430 mm | 4250 mm |
| Vehicle Width | 1710 mm | 1570 mm |
| Vehicle Height | 1310 mm | 1570 mm |
| Wheelbase Size | 2450 mm | 2530 mm |
