1965 AC 427 vs. 1955 Austin A 55
To start off, 1965 AC 427 is newer by 10 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 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 359 more horse power than 1955 Austin A 55. (51 HP @ 4250 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1955 Austin A 55. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 342 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 542 more torque (in Nm) than 1955 Austin A 55. (110 Nm @ 2000 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1955 Austin A 55. 1965 AC 427 has automatic transmission and 1955 Austin A 55 has manual transmission. 1955 Austin A 55 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1965 AC 427 | 1955 Austin A 55 | |
| Make | AC | Austin |
| Model | 427 | A 55 |
| Year Released | 1965 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1489 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 51 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 652 Nm | 110 Nm |
| Torque RPM | 3700 RPM | 2000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1397 kg | 1055 kg |
| Vehicle Length | 4430 mm | 4250 mm |
| Vehicle Width | 1710 mm | 1570 mm |
| Vehicle Height | 1300 mm | 1570 mm |
| Wheelbase Size | 2440 mm | 2530 mm |
